Answer:
send the question
Step-by-step explanation:
P
y=10
x=k/y
constant of proportionality
k=xy
k=5*6
k=30
therefore x=30/y
if x=3 y=?
y=30/3
y= 10
777 fewer belts
288/4 = 72
72 + 15 = 87
288*3 = 864
864 - 87 = 777
the present would cost $22.20