Answer:
difference between ratio and proportion.
a6,-3
b1,-2
c4,1
Step-by-step explanation:
-30/7 = x
im guessing u mean (3x+5)/(2x+7) = 5
3x+5 = 5(2x+7)
3x+5=10x+35
-7x=30
x= -30/7
$1.21 he will recieve