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Phổ biến Word Problems >

Jonas went to the local barbershop for a haircut. The haircut cost 20. He gave the barber a 15% tip. What was the total cost, including the tip?

Lời Giải

J o na s w e n t t o t h e l oc a l ba r b ers h o p f or a hai rc u t . T h e hai rc u t cos t 20. He g a v e t h e ba r b er a 15% t i p . Wha t w a s t h e t o t a l cos t, in c l u d in g t h e t i p ?

Lời Giải

Amount after tip : 23

Các bước giải pháp

Translate the problem into an equation:

x = 20 + 0.15 \cdot 20

x = 20 + 0.15 \cdot 20 : x = 23

Amount after tip : 23

Ví dụ phổ biến

4 more than twice the sum of three times a number and 12 30 is 25% of what number Find the perimeter of a square with a side of 4.5 80% of what number is 72 Find a the area and b the chu vi of a circle that has a radius of 13 units. Express your answer in terms of pi