Answer:
15kg:22.5kg:52.5kg
Step-by-step explanation:
pile of sand has the weight 90kg. The sand is put into a small bag, a medium bag and a large bag in the ratio 2:3:
7 .work out the weight of sand in each bag
Ratio = 2:3:7 = small: medium :large
Total = 2+3+7 = 12
Total weight = 90kg
Weight of small bag = 2/12 × 90
= 90 ÷ 6
= 15kg
Weight of medium bag = 3/12 × 90
= 90÷ 4
= 22.5kg
Weight of large bag = 7/12 × 90
= 7 × 7.5
=52.5kg
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