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3 years ago

A cookbook cost 3 times as a storybook.A cookbook and 4 storybook cost $112.How much did a storybook cost?

Mathematics

2 answers:

Alexxx [7]3 years ago

6 0

Answer:

Cost of storybook is $16

Step-by-step explanation:

Let's assume that the Cost of storybook= ‘x’

If the cost of the cookbook is 3 times the cost of storybook then the cost of the cookbook will be ‘3x’

The cost of 1 cookbook and 4 storybooks = $112

The cost of cookbook and storybook can be calculated by the equation:

3x+4x=112

7x=112

Divide both sides by 7 to isolate x:

7x/7=112/7

x=16

Therefore, the cost of storybook is $16

Reptile [31]3 years ago

3 0

1c+4s=112
1c=3s
3s+4s=112
7s=112
Storybook= $16

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