Level 3
Heather had 80 more stickers than Irene. After Irene gave away 13 of her stickers, Heather had twice as many stickers as Irene. How many stickers did Irene have at first?
Level 3
The number of girls in a school funfair was 35 that of the boys. There were 240 more boys than girls. After some boys had left the funfair, the number of girls at the funfair was thrice the number of the remaining boys. How many boys left the funfair?
Level 3
Jaslyn had 54 more stamps than Joelle. After Joelle gave away 16 of her stamps, Jaslyn had thrice as many stamps as Joelle. How many stamps did Joelle have at first?