Respuesta :

If 3/5 of the tree is unripe, then 2/5 of the tree is ripe.

2/5 = 0.4

0.4 x 100 = 40% of the tree is ripe
if 3/5 of it is unripe then you do 3/5 X 20 = 60/100= 60% which means 100% - 60%= 40%