Question

Mr Siva sold 54 cups of ice cream in the morning, He sold 3/9 of his cups of ice cream in the morning and the rest in the afternoon. (a) How many cups of ice cream did he have at first? (b) How many cups of ice cream did he sell in the afternoon?

Answer 1

first she was having 18 cups of ice cream. ..
and in the evening she was having 36
now its process. ........
total no. of cups = 54
no. of cups he sold in the morning =3/9 = 3/9×54=18
: no. of ice creams she sold in the morning = 18
no. of ice cream she sold in the evening = 54-18=36

Answer 2

he sold 18 cups in the morning and 36 cups in the afternoon
no of cups in total=54
so 54 divided by 9=6
one part =6 
so 3 parts = 3x6 = 18
to find the rest simply subtract 18 from 54 
so 18-54 =36
so a) 18  b)36