A restaurant bill is 25 dollars , and a 20 percent tip should be given to the waiter. Which expression can be used to find the total amount that will be paid?

A 20% tip means paying the original bill plus 20% of the bill, for a total of 120% of the bill. As a decimal, 120% is 1.20, so multiply 25 dollars by 1.20. Choice A, “25 dollars times 1.20,” gives the total amount paid.

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