Eva had some stickers at first. She gave 15 of her stickers to her cousin and 14 of her stickers to her best friend. After that, her mother gave her another 13 stickers. She had 112 stickers in the end. How many stickers did Eva have at first?
Fraction of stickers left after giving to her cousin and her best friend
= 1 -
15 -
14 = 1 -
420 -
520 = 1 -
920 =
1120 Number of stickers left after giving to her cousin and her best friend = 11 u
Number of stickers left after her mother gave her another 13 stickers = 11 u + 13
11 u + 13 = 112
11 u = 112 - 13
11 u = 99
1 u = 99 ÷ 11 = 9
Number of stickers that Eva had at first
= 20 u
= 20 x 9
= 180
Answer(s): 180
