In a box, 48% of the marbles are red, 10% are pink and the rest are silver
- What fraction of the marbles is silver? Give your answer in the simplest form.
- There are 609 silver marbles in the box. How many marbles are there in the box altogether?
(a)
Percentage of marbles that are silver
= 100% - 48% - 10%
= 42%
Fraction of marbles that are silver
=
42100 =
2150 (b)
Number of silver marbles = 21 u
21 u = 609
1 u = 609 ÷ 21 = 29
Total number of marbles
= 50 u
= 50 x 29
= 1450
Answer(s): (a)
2150; (b) 1450