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人気のある Word Problems >

Ellen's bill for brunch at a restaurant was 50.36. She left a 20% tip. What was the total cost of her brunch, including tip? Round your answer to the nearest cent:

解

Ell e n^{'} s bi ll f or b r u n c h a t a res t a u r an t w a s 50.36. S h e 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 h er b r u n c h, in c l u d in g t i p ? R o u n d yo u r an s w er t o t h e n e a res t ce n t :

解

Amount before tip : 41.96666 \dots

解答ステップ

Translate the problem into an equation:

50.36 = x + 0.2 x

50.36 = x + 0.2 x : x = \frac{1259}{30}

\frac{1259}{30} = 41.96666 \dots

Amount before tip : 41.96666 \dots

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