There are 210 marbles in Jane's collection. The number of her blue marbles is 4 times the number of her pink marbles.
- How many pink marbles does she have?
- How many blue marbles does she have?
(a)
Number of pink marbles = 1 u
Number of blue marbles = 4 u
Total number of marbles
= 1 u + 4 u
= 5 u
5 u = 210
1 u = 210 ÷ 5 = 42
Number of pink marbles
= 1 u
= 42
(b)
Number of blue marbles
= 4 u
= 4 x 42
= 168
Answer(s): (a) 42; (b) 168