Question

how many postage stamp having 2cm length and 1.5cm width will be needed to cover a sheet of
papper which is 30 cm long and 20cm width
​

Answer 1

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Answer 2

Step-by-step explanation:

Area of postage stamp= l×b

= 2×1.5

=3cm²

Area of the sheet= l×b

= 30×20

=600cm²

$no \: of \: stamps \: needed \: = \frac{600}{3} \\ = 200$

therefore 200stamps are needed

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