In a box, 36% of the buttons are white, 16% are yellow and the rest are grey
- What fraction of the buttons is grey? Give your answer in the simplest form.
- There are 516 grey buttons in the box. How many buttons are there in the box altogether?
(a)
Percentage of buttons that are grey
= 100% - 36% - 16%
= 48%
Fraction of buttons that are grey
=
48100 =
1225 (b)
Number of grey buttons = 12 u
12 u = 516
1 u = 516 ÷ 12 = 43
Total number of buttons
= 25 u
= 25 x 43
= 1075
Answer(s): (a)
1225; (b) 1075