Question

A pile of sand weights 90kg
Ratio 2 : 3 : 7

Answer 1

Total ratio

2+3+7=12

Now find the weight of sand in each bag

Small bag

90×(2÷12)

=15 kg

Medium bag

90×(3÷12)

=22.5

Large bag

90×(7÷12)

=52.5

Explanation: