There are 231 marbles in Fanny's collection. The number of her red marbles is 6 times the number of her green marbles.
- How many green marbles does she have?
- How many red marbles does she have?
(a)
Number of green marbles = 1 u
Number of red marbles = 6 u
Total number of marbles
= 1 u + 6 u
= 7 u
7 u = 231
1 u = 231 ÷ 7 = 33
Number of green marbles
= 1 u
= 33
(b)
Number of red marbles
= 6 u
= 6 x 33
= 198
Answer(s): (a) 33; (b) 198