Lucy bought some fruit. She spent $15.50 for apples, $12.75 for oranges, and $8.25 for bananas. She paid the clerk with two twenty-dollar bills. How much change should she get back?

Correct answer:

r =  3.5 USD

Step-by-step explanation:

a=15.50+12.75+8.25=36.5  r=2 20a=2 2036.5=3.5 USD

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