Question

A dress cost 72$ then it cost $45 what is the percent decrease in the price?

ANSWER IS 37.5% but explain


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a shirt that cost $14 without tax costs $14.98 with tax what is the sales tax percent

Answer 7% EXPLAIN


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Answer 1

72d = 45 (the dress originally at $72 at sale now costs $45)

Divide both sides by 72:

72d / 72 = 45 / 72

d = 0.625 (the dress costs 62.5% of the original price)

1 - 0.625 = 0.375

The dress is 37.5% off

Explanation: