Question

Rosy received a box in the mail. The box is 5 cm longer than it is wide, and the height is 4 cm more than the width. a) Write an expression for the length of the box. [1] b) Write an expression for the height of the box. [1] c) The area of the box is . Write an expression for the Area of the base of the A = L×Wbox in terms of . x[1] d) The volume of the box is given by the formula . Write an expression for V = L×W ×Hthe volume of the box in terms of x.

Answer 1

Answer:

The dimensions of match box are 4 cm×2.5 cm×1.5 cm

∴ length =4 cm

breadth =2.5 cm

height =1.5 cm

Now,

Volume of = length × breadth × height  

One match box =4 cm×2.5 cm×1.5 cm

=15 cm  

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∴ Volume of one match box =15 cm  

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⇒ Volume of 12 match boxes +12× Volume of one match box

=12×15 cm  

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=180 cm  

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∴ Volume of packet containing 12 match boxes =180 cm  

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