eteyany eteyany

25-01-2020
Mathematics

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Hardcover books cost $8 and paperbacks cost $3. John buys 15 books for $70. How many of each book type did he buy?

Respuesta :

Leora03 Leora03

26-01-2020

Answer:

10 paperback and 5 hardcover books

Step-by-step explanation:

Please see attached picture for full solution.

Let's check:

total cost= 10(3) + 5(8)= $70 ✓

You could also try to solve the question by assuming John bought all paperback books first instead of all hardcover books. The answer should be the same.

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