Paper route earnings each week=($87.8-$37.8) / 10 =$5
If $5=20% we have to find how money is the 100%.
$5-----------------20%
x------------------100%
x=($5*100%) / 20%=$25
solution: $25.00
Zero because 60 plus negative 60 equals 0
Set the equations equal to each other.
132 +27x = 60x
132 = 33x
4 =x
4 months. Cost will be $240
