Jamie and Rebecca had a total of 162 marbles. Rebecca had 2 times as many marbles as Jamie.
- How many marbles did Jamie have?
- How many marbles did Rebecca have?
(a)
Number of marbles that Jamie had = 1 u
Number of marbles that Rebecca had = 2 u
Total number of marbles
= 2 u + 1 u
= 3 u
3 u = 162
1 u = 162 ÷ 3 = 54
Number of marbles that Jamie had
= 1 u
= 54
(b)
Number of marbles that Rebecca had
= 2 u
= 2 x 54
= 108
Answer(s): (a) 54; (b) 108