Question

12. Four shovels of sand are used for every 5 shovels of gravel in making concrete.

How much gravel is needed for 64 shovels of sand?

Answer 1

80

Explanation:

64s : Xg

4s.Xg = 5g.64s

X = (5g*64s)/4sg

= 5*64/4

= 5*16

= 80