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Answer:
WHAT IS ASKED?
What was Mrs. Francisco change if she paid ₱1,000.00
WHAT ARE GIVEN?
Amount of gallon of alcohol = ₱ 650.00
Number of boxes of face mask= 2
Amount of boxes of face mask= ₱225.00
Discount= 15% or 0.15
Amount paid= ₱1,000.00
HOW TO SOLVE THE PROBLEM?
First sum up ₱650.00 and (2×₱225) to get the total amount bought. Second, get the discount amount by multiplying the total amount bought with the discount rate, [₱650.00+(2×₱225.00)]×0.15. Third, subtract the discount amount from the total amount bought. Finally, subtract the difference from ₱1000.00 to get the amount of Mr. Francisco's change.
SOLUTION AND ANSWER?
₱650.00+(2×₱225.00) = ₱1,100.00
₱1,100.00×0.15= 165
₱1,100.00-165= ₱935.00
₱1,000.00-₱935.00= ₱65.00
₱65.00 is the amount of Mrs. Francisco's change.