Answer:
Frank has X+45 baseball cards
Step-by-step explanation:
You just add 45 new baseball cards to the ones he had before which is X
It’s either C or D hope this helps
Total units would be: 4+7 = 11
value of 1 unit = 44/11 = 4
Ratio would be: 4(4) & 7(4) = 16 & 28
