In a box, 40% of the beads are grey, 15% are green and the rest are white
- What fraction of the beads is white? Give your answer in the simplest form.
- There are 459 white beads in the box. How many beads are there in the box altogether?
(a)
Percentage of beads that are white
= 100% - 40% - 15%
= 45%
Fraction of beads that are white
=
45100 =
920 (b)
Number of white beads = 9 u
9 u = 459
1 u = 459 ÷ 9 = 51
Total number of beads
= 20 u
= 20 x 51
= 1020
Answer(s): (a)
920; (b) 1020