Question

Sand and gravel are mixed in the ratio 5:3 to form ballast.

How much sand is mixed with 750kg of gravel ?​

Answer 1

Answer:  1250 kg of sand

Work Shown:

sand/gravel = 5/3

x/750 = 5/3

3x = 750*5

3x = 3750

x = 3750/3

x = 1250