Bob the builder is making 480kg of concrete mix.
Concrete is made by mixing cement, sand and gravel in the ratio 1 : 3 : 4
How much sand does he need?
SAND=.........?
CEMENT......?
GRAVEL.....?
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Answered by
7
Answer:
It is given that concrete is made by mixing cement, sand and gravel in the ratio 1:3:4. Let the amount of cement, sand and gravel in concrete mixture be x, 3x, 4x respectively. Divide both sides by 8. Therefore bob the builder need 180 kg sand
Step-by-step explanation:
Answered by
2
Answer:
180 kg sand
Step-by-step explanation:
It is given that concrete is made by mixing cement, sand and gravel in the ratio 1:3:4. Let the amount of cement, sand and gravel in concrete mixture be x, 3x, 4x respectively. Divide both sides by 8. Therefore bob the builder need 180 kg sand.
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