question archive A consumer shops for a sofa

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

 

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b. ) $408

 

Solution:

 

$510 x (100%-20%) = $510 x 0.80 = $408