Answer:
18
Step-by-step explanation:
a) 3/5=12/20
b)5/6=25/30
4(x+7)=38
4x+28=38
4x=38-28
4x=10
(divide by 4)
x=2whole number 2/4
=2whole number 1/2
or x=2.5
B
the quicker you pay off the loan, the lower the total repayment.
1,3,1