Answer:
d
Step-by-step explanation:
155$ after 3 months means 45$ less. 45$ divided by 3 (the number of months) =15
that means she spends 15$ per month

and also

now, we know that V varies directly to T and inversely to P simultaneously
thus

so
Answer:
21 cupcakes
Step-by-step explanation:
6 = $7
18 = 6 x 3
18 = 7 x 3
18 = $21
Answer:
2 points
(3, 3) and (1, 3)
Step-by-step explanation: