Question

A rectangular tank 40 cm long and 30 cm wide was filled with water to depth of 20 cm when Mary poured some water from the tank the water level dropped to 16 cm how many litres of water did Mary pour out

Answer 1

Step-by-step explanation:

l = 40cm

b = 30cm

h = 20cm

..

v = lbh

v = 40 × 30 × 20

v = 24000 cm³

..

1 m = 100 cm

1m³ = ( 100 cm )³

1m³ = 1000000 cm³

..

1m³ = 1000 l

1000000 cm³ = 1000 l

...

24000 cm³ = ??

24000 ÷ 1000000

..

0.024 litres