Question

3. A wall is to be built using bricks of dimensions 20 cm x 16 cm x 8 cm. How many hai
be required if the wall is 10 m long, 5 m high and 64 cm thick?
4. A water tank is 160 cm long and 45 cm deep. Find the width of the tank if it container
tonna cm​

Answer 1

Answer:

Step-by-step explanation:

Dimensions of wall= 10m×5m×0.64m

Volume =10×5×0.64

=32m^3

Dimensions of brick=0.20m×0.16m×0.08m

=0.00256 m^3

Bricks required = 32m^3÷0.00256m^3

=12500 bricks

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