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

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

Step-by-step explanation:

Grant paid $12 for 4 baseball card packs.

So, in $1 he will purchase, cards

And in $21, he will purchase = 7

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

table 3 represents a direct variation function. : )

what level of math? also i don't need to be paid if i can you.