Question

Bob the builder is making 480kg of concrete mix
concrete is made of a mix of cement , sand and gravel in the ratio 1:3:4
how much sand does he need

Answer 1

Answer:

Amount of sand,

3 is the ratio for the sand .. 8 is the sum of the 3 ratios.

So we go about it like this..

(3/8) * 480

= 180 Kg of sand is required ..

please mark me as the brainliest .

Answer 2

Answer:

168.75 kg

Step-by-step explanation:

3/8 * 480

168.75 kg