In a box, 42% of the cards are red, 14% are pink and the rest are black
- What fraction of the cards is black? Give your answer in the simplest form.
- There are 528 black cards in the box. How many cards are there in the box altogether?
(a)
Percentage of cards that are black
= 100% - 42% - 14%
= 44%
Fraction of cards that are black
=
44100 =
1125 (b)
Number of black cards = 11 u
11 u = 528
1 u = 528 ÷ 11 = 48
Total number of cards
= 25 u
= 25 x 48
= 1200
Answer(s): (a)
1125; (b) 1200