Riordan had 377 coins less than Emily. Given that they have a total of 617 coins,
- How many coins did Emily have?
- How many coins did Riordan have?
(a)
Number of coins that Emily had = 1 u
Number of coins that Riordan had = 1 u - 377
Total number of coins
= 1 u + 1 u - 377
= 2 u - 377
2 u - 377 = 617
2 u = 617 + 377
2 u = 994
1 u = 994 ÷ 2 = 497
Number of coins that Emily had
= 1 u
= 497
(b)
Number of coins that Riordan had
= 1 u - 377
= 497 - 377
= 120
Answer(s): (a) 497; (b) 120
