Diners frequently add a 15% tip when charging a meal to a credit card. What is the total amount charged if the cost of the meal, without tip, is $10 ?

Question

Mathematics

Buchanan

25 March, 11:20

Diners frequently add a 15% tip when charging a meal to a credit card. What is the total amount charged if the cost of the meal, without tip, is $10 ?

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Weeks · Answer 1

That'd be m (the cost of the meal) plus 0.15m (the 15% tip). A shorter way to write that would be m + 0.15m. Here, m=$10, so the meal will cost 1.15 ($10), or $11.50 (answer).