In a box, 40% of the buttons are green, 20% are pink and the rest are white
- What fraction of the buttons is white? Give your answer in the simplest form.
- There are 538 white buttons in the box. How many buttons are there in the box altogether?
(a)
Percentage of buttons that are white
= 100% - 40% - 20%
= 40%
Fraction of buttons that are white
=
40100 =
25 (b)
Number of white buttons = 2 u
2 u = 538
1 u = 538 ÷ 2 = 269
Total number of buttons
= 5 u
= 5 x 269
= 1345
Answer(s): (a)
25; (b) 1345