The correct answer choice should be letter A as in Ana.
$3 per book? Not sure what else the question is asking
Answer:
60
Step-by-step explanation:
Is means equals and of means multiply
21 = 35% * n
21 = .35*n
Divide each side by .35
21/.35 = .35n/.35
60 = n
Answer:
not possible, bother terms have to contain a letter variable