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Популярное Word Problems >

Janelle and some friends went out to dinner. The cost of the meal was 68.50. They left a 20% tip. What was the total cost of the dinner, including tip?

Решение

J an e ll e an d so m e f r i e n d s w e n t o u t t o d inn er . T h e cos t o f t h e m e a l w a s 68.50. T h ey l e f t a 20% t i p . Wha t w a s t h e t o t a l cos t o f t h e d inn er, in c l u d in g t i p ?

Решение

Amount after tip : 82.2

Шаги решения

Translate the problem into an equation:

x = 68.5 + 0.2 \cdot 68.5

x = 68.5 + 0.2 \cdot 68.5 : x = 82.2

Amount after tip : 82.2

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