Question

A glass is 1/3 full.
Then 75cm3 of orange juice is poured in.
The glass is now 3/4 full.
What is the total volume of the glass?

Answer 1

3/4 - 1/3=9/12 -4/12=5/12

75 cubic centimetre s 3/4 -1/3 of the glass

75cubic centimetre is 5/12 of the glass.

5/12 *X= 75

x= 75*12/5=75/5*12= 15*12=180

the volume of the glass is 180 cubic centimetre