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Phổ biến Word Problems >

Lisa ate breakfast at a restaurant. The bill came to18.80. If she left a 20% tip, what was the total cost of her breakfast?

Lời Giải

L i s a a t e b re ak f a s t a t a res t a u r an t . T h e bi ll c am e t o 18.80. I f s h e l e f t a 20% t i p, w ha t w a s t h e t o t a l cos t o f h er b re ak f a s t ?

Lời Giải

Amount after tip : 22.56

Các bước giải pháp

Translate the problem into an equation:

x = 18.8 + 0.2 \cdot 18.8

x = 18.8 + 0.2 \cdot 18.8 : x = 22.56

Amount after tip : 22.56

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