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题库 / Prep2007E1-PS-185
Each year Mark works40 hours per week for 50 weeks. Last year Mark was paid a total of$20,000. If this year his hourly payrate is raised by $0.50, what is the total amount that Mark will be paid thisyear?
$30,000
$25,000
$22,500
$21,000
$20,020
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每个小时的钱：20000/40/50=$10/h
(10+0.5)*50*40=$21000
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