Let x = discount rate
Equate:
$80(1-x) = $60
Solve for x:
1-x = 60/80
1-x = 3/4
x = 1 - 3/4
x = 1/4 or 0.25
x = 25%
He can drive 2.975 miles in one day with the surcharge or $20.50 for the vehicle and $20.00 per mile extra.
Step-by-step explanation:
$80.00 total
-$20.50 Daily cost
=$59.50
$59.50/$20.00= 2.975miles
Answer is b. 54
Because 0.45 × 120 = 54
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