Jane had some pens at first. She gave 29 of her pens to her brother and 16 of her pens to her friend. After that, her mother gave her another 17 pens. She had 94 pens in the end. How many pens did Jane have at first?
Fraction of pens left after giving to her brother and her friend
= 1 -
29 -
16 = 1 -
418 -
318 = 1 -
718 =
1118 Number of pens left after giving to her brother and her friend = 11 u
Number of pens left after her mother gave her another 17 pens = 11 u + 17
11 u + 17 = 94
11 u = 94 - 17
11 u = 77
1 u = 77 ÷ 11 = 7
Number of pens that Jane had at first
= 18 u
= 18 x 7
= 126
Answer(s): 126
