You have $1.75 left
Step-by-step explanation:
Given,
Number of quarters already have = 20
Percent of quarters found = 40% of already have
Number of quarters found = [tex]\frac{40}{100}*20[/tex]
Number of quarters found = [tex]\frac{800}{100}[/tex]
Number of quarters found = 8
New total = 20+8 = 28 quarters
Percent of quarters spent = 75%
Number of quarters spent = [tex]\frac{75}{100}*28[/tex]
Number of quarters spent = [tex]\frac{2100}{100}[/tex]
Number of quarters spent = 21
Quarters left = 28-21 = 7
1 quarter = 25 cents
7 quarters = 25*7 = 175 cents
$1 = 100 cents
175 cents = [tex]\frac{175}{100}=\$1.75[/tex]
You have $1.75 left
Keywords: division, addition
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