Question

A ream of paper has a mass of 3.5kg.(a)what is the mass of 25 such reams of paper?give your answer in kilograms and grams.(b)if each ream has 500sheets of paper,what is the mass of each sheet of paper?give your answer in grams​

Answer 1

a/ 25 ×3. 5 kg

87. 5 kg or 87500 g

b/ 500=3. 5

then 1=3500/500 {3. 5kg=3500g}

1 sheet =7g.

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Answer 2

Given that ,

a) a ream of paper has a mass = 3.5 kg

the mass of 25 such reams = 25 × 3.5 kg

= 87.5 kg

in grams

we know that

1 kg = 1000g

= (875 × 1000) g

= 875000 g

b) the mass of rach sheet paper = 500/3.5 kg

in grams

500/3.5 × 1000 g

= 100000/7 g answer