dewahcaleb dewahcaleb

13-12-2019
Mathematics

contestada

You purchase a DVD and two books. The cost of the DVD is 12.50. Your total bill before tax is 48.50. Write and slove an equation to find the cost of each book. Let n+ cost of book

Respuesta :

budiharun budiharun

15-12-2019

Answer:

The cost of each book is $18.

Step-by-step explanation:

1. 12.50+2n=48.50

2, 12.50-12.50=cancels out

3. 48.50-12.50=36

4. 2n=36

5. 2n/2=n

6. 36/2=18

7. n=18

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