1 cubic metre of concrete has a weight of 2400kg. 15% of concrete is water.
The rest of the ingredients are in the ratio of 1:2:5.
work out the weight of cement, sand and stone in 1 cubic metre of concrete.

otal concrete weight =2400kg

have 15% water means in 2400kg of concrete 360kg is water.ramaining 2040kg is of cement,sand and stone.in the ratio of 1:2:5 respectively.then according to ratio.weight of cement=255kg

weight of sand=510kg

weight of stone=1275kg

Step-by-step explanation:

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !