Question

a glass full of juice weighs 1 kg and half full weighs 3/4 of 1 kg. what is the weight of the glass​

Answer 1

x wt of juice

y wt of glass

x+y=1

x/2+y=3/4

2(x/2+y)=3/2

x+2y=3/2

x+y=1

(-)

y=1/2