7. If the weight of five sheets of paper is 20 g, how many sheets of the same paper
would weigh 2.5 kg?
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Step-by-step explanation:
weightof sheets 20g 2500g
no.of sheets 5 x
thia is case of direct variation
2500/× = 20/5
2500/x=4/1
it will cross multiply
4x=2500
x=2500/4
x=625 sheets
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