A 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

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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