There are 140 beads in Xuan's collection. The number of her white beads is 4 times the number of her brown beads.
- How many brown beads does she have?
- How many white beads does she have?
(a)
Number of brown beads = 1 u
Number of white beads = 4 u
Total number of beads
= 1 u + 4 u
= 5 u
5 u = 140
1 u = 140 ÷ 5 = 28
Number of brown beads
= 1 u
= 28
(b)
Number of white beads
= 4 u
= 4 x 28
= 112
Answer(s): (a) 28; (b) 112