Question

A rectangular tank, 50cm long and 30cm wide, is 4/5 filled with the water when 6 metal cubes of edge 10 cm are placed in the water, The water level rises to the brim of the tank. find the height of the tank.

Answer 1

Answer:

5000 cm3

Step-by-step explanation:

volume of cube=(10cm)3

= 1000 cm3. (first equation)

so if 4/5 + 1000 cm3

then 1000 cm3 = 1/5

so 4 multiply by 1000 cm3

= 4000 cm3. (second equation)

1000 cm3 + 4000 cm3

=5000 cm3 = volume of tank.