Jeremy had 375 marbles less than Dana. Given that they have a total of 617 marbles,
- How many marbles did Dana have?
- How many marbles did Jeremy have?
(a)
Number of marbles that Dana had = 1 u
Number of marbles that Jeremy had = 1 u - 375
Total number of marbles
= 1 u + 1 u - 375
= 2 u - 375
2 u - 375 = 617
2 u = 617 + 375
2 u = 992
1 u = 992 ÷ 2 = 496
Number of marbles that Dana had
= 1 u
= 496
(b)
Number of marbles that Jeremy had
= 1 u - 375
= 496 - 375
= 121
Answer(s): (a) 496; (b) 121
