3 years ago

Pls explain the easiest way you an this will help me Thanks XD

1 answer:

7 0

The ratio is 4:3:1
let the ratio be 4x:3x:x
according to the question,4x+3x+x=40
8x=40
x=5
therefore amount of gravel=x*4=5*4=20 $m^{3}$
amount of sand=5*3=15 $m^{3}$
amount of cement=5*1=5 $m^{3}$

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