The price of a cup of coffee has dropped to $2.20 today. Yesterday's price was $2.35. Find the percentage decrease. Round your a
nswer to the nearest tenth of a percent.
2 answers:
6.4% decrease is the correct answer
Convert the dollar amounts to cents to make the math easier.
$2.20 = 220¢
$2.35 = 235¢
The original price is 100%
The new price is x%
220/235 ≈ <span>0.93
</span>
Convert decimal into a percent by moving the decimal two places to the right and adding the % sign.
0.93 = 93%
100% - 93% = 7%
So, there was a 7% decrease in price.
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