Trucks are delivering gravel to a construction site each truck holds 7.5 cubic yards of gravel. The weight of 1 cubic yard of gravel is 1.48 tons. The gravel will be placed in containers that each hold 3.7 tons of gravel. how many containers of this size are needed to hold all the gravel from one truck?
The first thing you must do is to calculate the weight of the gravel (w) that the truck holds (7.5 yards³). So, you have:
If the weight of 1 yard³ is 1.48 tons, then the weight of 7.5 yards³ is:
The problem says that the gravel will be placed in containers that each hold 3.7 tons of gravel, so, If they need 1 container to place 3.7 tons, how many containers do they need to place 11.1 tons?
1 container——-3.7 tons of gravel
x——-11.1 tons of gravel
How many containers of this size are needed to hold all the gravel from one truck?
The answer is 3 containers.
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