a pile of sand has a weight of 90kg.
the sand is put into a small bag a medium and a large bag in the ratio 2:3:7
work out the weight of sand in each bag
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Step-by-step explanation:
let the ratio be 2x:3x:7x
given,
2x+3x+7x= 90kg
12x=90kg
x=90/12
x= 7.5
so in small bag= 2*7.5= 15KG
in medium bag= 3*7.5= 22.5kg
in large bag= 7* 7.5= 52.5 kg
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