Jen had some stickers at first. She gave 19 of her stickers to her cousin and 13 of her stickers to her friend. After that, her mother gave her another 15 stickers. She had 35 stickers in the end. How many stickers did Jen have at first?
Fraction of stickers left after giving to her cousin and her friend
= 1 -
19 -
13 = 1 -
19 -
39 = 1 -
49 =
59 Number of stickers left after giving to her cousin and her friend = 5 u
Number of stickers left after her mother gave her another 15 stickers = 5 u + 15
5 u + 15 = 35
5 u = 35 - 15
5 u = 20
1 u = 20 ÷ 5 = 4
Number of stickers that Jen had at first
= 9 u
= 9 x 4
= 36
Answer(s): 36
