GMAT Problem Solving (PS) | Re: A pharmaceutical company received $3 million in royalties

Hi:)
another way...
20---->3
108--->9

If in the same ratio as the 1st one, royalty calculated for 108 would be 16.2

so (16.2 - 9)/16.2.... approx 16.2 to 16...
7/16 = 0.4375
approx 45%...
Hope it helps

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