There are 246 marbles in Xylia's collection. The number of her black marbles is 2 times the number of her pink marbles.
- How many pink marbles does she have?
- How many black marbles does she have?
(a)
Number of pink marbles = 1 u
Number of black marbles = 2 u
Total number of marbles
= 1 u + 2 u
= 3 u
3 u = 246
1 u = 246 ÷ 3 = 82
Number of pink marbles
= 1 u
= 82
(b)
Number of black marbles
= 2 u
= 2 x 82
= 164
Answer(s): (a) 82; (b) 164