Question (1)

Hanis had $960 less than Lina. After Hanis gave $2400 to Lina, Lina had 3 times as much as Hanis.
a) How much did Lina have in the end?
b) How much did Hanis have at first?

Question (2)
Mr A and Ms B went shopping with a total of $300 and each bought some items. The amount Mr A spent is three times the amount he has left. The amount Ms B spent is twice the amount she has left. Given that the two friends have a total of $90 left, how much did each of them have at first?

Crazy this is so difficult! Are u sure this is for P2??