How many stamps having measurement of 4 cm × 4cm would be needed to cover the
rectangle having measurement 16cm×8cm?
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Given : stamps having measurement of 4 cm × 4cm
rectangle having measurement 16cm×8cm
To Find : How many stamps would be needed to cover the rectangle
Solution:
stamps having measurement of 4 cm × 4cm
Area of one stamp = 4 x 4 = 16 cm²
rectangle having measurement 16cm×8cm
Area of rectangle = 16x 8 = 128 cm²
Let say N stamps required to cover recatngle
Area of 1 stamp = 16 cm²
Area of N stamp = 16N cm²
Equate this area with area of rectangle
=> 16N = 128
=> N = 8
8 stamps required
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