Question

480kg of concrete mix is made by mixing cement,sand and gravel in the ratio of 1:3:4
How much sand does he need?

Answer 1

Answer:

180kg

Step-by-step explanation:

1:3:4 = 480kg

1+3+4 = 480kg

7 portion = 480 kg

So 1 portion represent 60 kg

Portion of sand is 3

So amount of sand = 3*60 = 180kg