There are 200 beads in a box. 0.2 of them are green beads, and the rest are pink and yellow beads. If there are 17 as many pink beads as yellow beads. How many yellow beads are there?
Green beads |
Pink beads |
Yellow beads |
Total |
1 u |
4 u |
5 u |
|
1 p |
7 p |
|
0.2 =
210 =
15 Fraction of beads that are pink and yellow beads
= 1 -
15 =
45 Total number of beads = 5 u
5 u = 200
1 u = 200 ÷ 5 = 40
Number of pink beads and yellow beads
= 4 u
= 4 x 40
= 160
Number of pink and yellow beads
= 1 p + 7 p
= 8 p
8 p = 160
1 p = 160 ÷ 8 = 20
Number of yellow beads
= 7 p
= 7 x 20
= 140
Answer(s): 140