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Using a truck, Mr. Salazar needs to haul (4.2 tons) of gravel from a quarry to his house. His truck can hau (3/5 tons) of gravel at one time. What is the least number of trips Mr. Salazar will need to
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Using a truck, Mr. Salazar needs to haul (4.2 tons) of gravel from a quarry to his house. His truck can hau (3/5 tons) of gravel at one time. What is the least number of trips Mr. Salazar will need to make from the quarry to his house?

A.7
B.8
C.6
D.12​

User Mellville
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4.2 is also equal to 42/10 which is equal to 21/5. In order to find how many trips you will be dividing fractions (21/5) / (3/5). Although this may seems difficult, because the denominators are the same, it simplifies to 21/3 which is equal to 7 (A)
User NickG
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