Lydia bought a shirt at 20% off its retail price of $40. She paid 5% tax on the price after the discount. How much did Lydia pay for the shirt?
5 answers
40 * (1 - .20) * (1 + .05)
What is (.8)(40)(1.05) ??
0.8*40 = $32 = cost before tax.
Total cost = 32 + 0.05*32 =
Total cost = 32 + 0.05*32 =
2.4444325678654321
$33.60
2 answers