math quastion #5 ryan&wyatt

a)
Plan#1- $60
Plan #2- .25x+200=50+20=$70
Plan #1 is a better deal.

b)
y=60 x=.25x+20
60=.25x+20
40=.25x
40/.25=.25x/.25
x=160
You can drive 160km for each plan to cost the same.

Rental cost is $60