Question

a mixture of concrete is made up of sand and cement in a ratio of 5 : 3, How many cubic feet of each are needed to make 160 cubic feet of concrete mix

Answer 1

Answer:

We need 160 cubic feet of concrete mix and 20 x 8 = 160, so we need to use 20 x 5 = 100 cubic feet of sand and 20 x 3 = 60 cubic feet of cement

Step-by-step explanation: