Bobby and Xavier have 5 marbles altogether. Bobby has 3 more marbles than Xavier. Find the number of marbles each boy has.
- Xavier
- Bobby
Number of marbles that Xavier has = 1 u
Number of marbles that Bobby has = 1 u + 3
Total number of marbles
= 1 u + 1 u + 3
= 2 u + 3
2 u + 3 = 5
2 u = 5 - 3 = 2
1 u = 2 ÷ 2 = 1
(a)
Number of marbles that Xavier has
= 1 u
= 1
(b)
Number of marbles that Bobby has
= 1 u + 3
= 1 + 3
= 4
Answer(s): (a) 1; (b) 4
