In a box, 42% of the pens are pink, 14% are yellow and the rest are black
- What fraction of the pens is black? Give your answer in the simplest form.
- There are 506 black pens in the box. How many pens are there in the box altogether?
(a)
Percentage of pens that are black
= 100% - 42% - 14%
= 44%
Fraction of pens that are black
=
44100 =
1125 (b)
Number of black pens = 11 u
11 u = 506
1 u = 506 ÷ 11 = 46
Total number of pens
= 25 u
= 25 x 46
= 1150
Answer(s): (a)
1125; (b) 1150