Problema Solution
The original price of a computer was $1295.95. Margaret had a 15% off coupon which she was able to use to make the purchase. If sales tax of 7.5% was added after the discount was take, how much did Margaret pay altogether for the computer? Round your answer to the nearest cent if necessary and include units.
Answer provided by our tutors
After using the coupon the price drops to:
$1295.95 - 0.15*$1295.95 = 0.75*$1295.95
Sales tax of 7.5% was added means:
0.75*$1295.95 + 0.075*0.75*$1295.95 = 1.075*0.75*$1295.95 = $1044.86 rounded to the nearest cent
Margaret paid $1044.86 rounded to the nearest cent.