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A construction company is laying concrete for a new building. The company has 4 dump trucks with 1.15 tons of gravel each, and 2 dump trucks with 0.7 tons of sand. How many tons of material will the company use for the new building?

Answer :

4*1.15=4.6 - amount of gravel used by 4 trucks
2*0.7=1.4 - amount of sand used by 2 trucks

4.6+1.4=6 - Total amount of materials

6- final answer

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