Lucy had some beads at first. She gave 29 of her beads to her cousin and 13 of her beads to her buddy. After that, her mother gave her another 15 beads. She had 35 beads in the end. How many beads did Lucy have at first?
Fraction of beads left after giving to her cousin and her buddy
= 1 -
29 -
13 = 1 -
29 -
39 = 1 -
59 =
49 Number of beads left after giving to her cousin and her buddy = 4 u
Number of beads left after her mother gave her another 15 beads = 4 u + 15
4 u + 15 = 35
4 u = 35 - 15
4 u = 20
1 u = 20 ÷ 4 = 5
Number of beads that Lucy had at first
= 9 u
= 9 x 5
= 45
Answer(s): 45
