Question

If the weight of 8 sheets of paper be 10 grams, how many sheets of the same paper will weigh 1 1/2 kg?

Answer 1

Step-by-step explanation:

8 sheets weight =10grams

x sheets weight =11/2kg

1kg =1000grams

11/2*100=550

Answer 2

Answer:

Required number of sheets are 1200.

Step-by-step explanation:

Given,the weight of 8 sheets of paper be 10 grams.

Here we want to find how many sheets of the same paper will weight

$1 \frac{1}{2} \: kg \\ = \frac{3}{2} \: kg \\ = \frac{3}{2} \times 1000 \: grams \: \\ = 3 \times 500 \: grams \\ = 1500 \: grams$

By Unitary method we can solve this,

But should know what is the use of Unitary method.

By one example we can understand use of Unitary method.

If Cost of 1 apple is 5 rupees

then by Unitary method, cost of 5 apple is (5×5) = 25 rupees.

Here 10 grams weight of 8 sheets

By Unitary method 1 grams weight of $\frac{8}{10} \: sheets$

And $1500 \: grams$ weight of

$1500 \times \frac{8}{10} \\ = 150 \times 8 \\ = 1200 \: sheets$

Know more about Unitary method,

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