Question

Grant paid $12 for 4 baseball card packs. how many baseball card packs can he purchase for $21?

Answer 1

Grant can purchase 7 baseball card packs for $21. 12/4=3 and 21/3=7.
Answer: 7

Answer 2

Grant can purchase 7 base ball cards packs in $21.

Explanation:

Grant paid $12 for 4 baseball card packs.

So, in $1 he will purchase,
`(4)/(12)` cards

And in $21, he will purchase
`(4)/(12)*21` = 7

Therefore, Grant can purchase 7 base ball cards packs in $21.