Ms. Salvador cleaned the math park in 3 2/3 hours arranged the pant box in 2 4/5 hours.How much longer did she spend cleaning the math park than arranging the plant box? A. 1 1/9 hours B. 1 13/15 hours C.13/15 hour D. 3/5 hour
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Answer:
C. 13/15 hours
Convert them to improper fractions since mixed numbers sila, the find the LCD which is 15 and subtract.