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isabel worked 20 hours last week and earned $145.80. Adam worked 15 hours last week and earned $112.50. How much more does adam earn per hour.

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RichardDumbrigueid

Question: How much MORE does Adam earn per hour.

Isabel: $145.80 / 20 = $7.29 per hour

Adam: $112.50 / 15 = $7.5 per hour

7.50 - 7.29 = 0.21

Adam earn 0.21 more dollar per hour than Isabel.