<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/donald-trump" rel="" target="" title="Donald Trump"><span>Donald Trump</span></a><span> and his </span><a href="https://www.9news.com.au/world/robert-f-kennedy-links-circumcision-to-autism-in-wild-claim/a6affe20-4b60-4e13-8da4-fa9a7fb8caa3" rel="" target="" title="Health Secretary Robert F Kennedy Jr"><span>Health Secretary Robert F Kennedy Jr</span></a><span> have doubled down on their mathematically incorrect claims about how percentages work.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The US president has repeatedly claimed his policies would reduce prescription drug prices by as much as 600 per cent.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Such a claim is mathematically impossible.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/world/donnyland-ukraine-proposes-renaming-donbas-region-after-donald-trump-russia-war/98037c25-6fa8-4a64-9732-b9f2edd54e6c"><strong><span>Ukrainian officials propose naming region after Donald Trump</span></strong></a><span></span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>But speaking in the Oval Office, Kennedy explained how Trump's maths worked.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"(A Democratic senator claimed) it's mathematically impossible to have a drug drop by 600 per cent," he said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"I said, 'Well, if the drug was $100 and it raises to $600, that would be a 600 per cent rise. If it drops from $600 to $100, that's a 600 per cent savings.'"</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/world/donald-trump-robert-f-kennedy-percentages-math-usa-news/b870d6f8-2acb-4764-bd6c-77cc8e04ef7a" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Trump added: "Right."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Both Trump and Kennedy are wrong. 100 per cent represents the whole of something. It is impossible to reduce anything beyond 100 per cent of itself.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The senator Kennedy was referencing was Elizabeth Warren, who grilled him at a committee hearing yesterday.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/world/donald-trump-election-redistricting-gerrymandering-plan-backfires-virginia-congressional-race-referendum-results/efd3d84b-11a5-4cd7-b2f9-55d802facccd" rel="" target="" title=""><strong><span>Trump's bid to secure power for his party just backfired big time</span></strong></a><span></span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>She criticised Trump's bad maths on the topic of drug prices.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"Which I think means companies should be paying you to take their drugs," Warren said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Kennedy defended Trump's maths at the hearing.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"President Trump has a different way of calculating," he said.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"There's two ways of calculating percentages."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/world/truth-social-donald-trump-devin-nunes-massive-losses-bitcoin-investment-usa-news/57ce532d-4fda-4354-b3db-9673a1ead2bc"><strong><span>CEO of Trump's media company ousted after losing billions</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><em><span>NEVER MISS A STORY:</span></em></strong><span> </span><em><span>Get your breaking news and exclusive stories first by following us across all platforms.</span></em></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><ul><li><strong><em><span>Download the 9NEWS App here via</span></em></strong><span> </span><a href="https://apps.apple.com/au/app/9news/id1010533727" target="_blank"><strong><em><span>Apple</span></em></strong></a><span> </span><strong><em><span>and</span></em></strong><span> </span><a href="https://play.google.com/store/apps/details?id=nineNewsAlerts.nine.com&amp;hl=en_AU&amp;pli=1" target="_blank"><strong><em><span>Google Play</span></em></strong></a></li><li><strong><em><span>Make 9News your preferred source on Google by</span></em></strong><span> </span><a href="https://9.nine.com.au/8x987w" target="_blank"><strong><em><span>ticking this box here</span></em></strong></a></li><li><strong><em><span>Sign up to</span></em></strong><span> </span><a href="https://login.nine.com.au/edm?client_id=nineatnine" target="_blank"><strong><em><span>our breaking newsletter here</span></em></strong></a></li></ul></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><em></em></strong></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span></span></div></div>