erona08
erona08 erona08
  • 15-10-2020
  • Mathematics
contestada

At a used book sale,5 books cost $15. How many books can u buy for $21

Respuesta :

fmar4872
fmar4872 fmar4872
  • 15-10-2020

Answer:

7 books

Step-by-step explanation:

first divide 15 and 5 = 3 dollars per book

then divide 21 and 3 = 7

So you can buy 7 books with 21 dollars

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