Question

There are 120 people at a party.

1/3 od the people leave the party.

work out how many people at the party

Answer 1

there 120 people at a party 1/3 of the people leave the party work out the number of people still at the party

Answer 2

40 goes into 120 3 times, so the answer would be 120 - 40.
Which leaves you with 80 people still at the party.