The answer is 15/6 (5+5+5)/6
Answer:
the answer is 3
Step-by-step explanation:
because 3x3= 9
5x3=15 so 15-9=6
Answer:
20%
Step-by-step explanation:
So, I would set this up as a proportion-
72 x
90 100
Cross multiply-
100 x 72 = 7200
Divide-
7200/90 = 80
Subtract-
100 - 80 = 20
So, it is a 20% decrease
C so a proportional relationship
7/4 and 3 because they are positive
