Jaslyn had some stickers at first. She gave 110 of her stickers to her cousin and 15 of her stickers to her buddy. After that, her mother gave her another 9 stickers. She had 30 stickers in the end. How many stickers did Jaslyn have at first?
Fraction of stickers left after giving to her cousin and her buddy
= 1 -
110 -
15 = 1 -
110 -
210 = 1 -
310 =
710 Number of stickers left after giving to her cousin and her buddy = 7 u
Number of stickers left after her mother gave her another 9 stickers = 7 u + 9
7 u + 9 = 30
7 u = 30 - 9
7 u = 21
1 u = 21 ÷ 7 = 3
Number of stickers that Jaslyn had at first
= 10 u
= 10 x 3
= 30
Answer(s): 30
