question archive A consumer shops for a sofa
Subject:MathPrice:2.89 Bought3
A consumer shops for a sofa. The store is having a 20% off sale on all furniture. What is the discounted, per-tax cost of a sofa that is originally $510?
a) $102
b) $408
c) $490
d) $612
b. ) $408
Solution:
$510 x (100%-20%) = $510 x 0.80 = $408