Question

a pile of sand has a weight of 90 kg
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

Answer 1

Step-by-step explanation:

Total weight of sand = 90kg

Let 2 = 2x, 3 = 3x, 7 = 7x

2x+3x+7x = 90

12x = 90

x = 7.5kg

Weight of sand in small bag = 2×7.5 = 15kg

Weight of sand in medium bag = 3×7.5 = 22.5kg

Weight of sand in large bag = 7×7.5 = 52.5kg

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