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Svetach
3 months ago
8

As a part-time contractor, you want to test a new cement mixture for a project. You need 2 34 wheelbarrows of sand to make 8 whe

elbarrows of concrete. How much sand will you need to make 248 cubic feet of concrete?
Mathematics
2 answers:
zzz [12.3K]3 months ago
7 0

Answer: He will require 10.07 cubic feet of sand for the wheelbarrows.

Step-by-step explanation:

Given that

the ratio of wheelbarrows filled with sand to those filled with concrete is expressed as

2\dfrac{3}{4}:8\\\\=\dfrac{11}{4}:8\\\\=11:32

The volume of concrete in wheelbarrows is 248 cubic feet.

Then the volume of sand in wheelbarrows can be found as

(\dfrac{11}{32})^3=\dfrac{x}{248}\\\\\dfrac{1331\times 248}{32^3}=x\\\\10.07=x

Therefore, he will require 10.07 cubic feet of sand for the wheelbarrows.

Svet_ta [12.7K]3 months ago
6 0

Response: 85 1/4 cubic feet

Detailed breakdown:

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