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Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup