Ivan has thrice as many stamps as Flynn. Flynn has 5 more stamps than Glen. They have a total of 115 stamps.
- How many stamps does Ivan have?
- How many stamps does Glen have?
(a)
Number of stamps that Flynn has = 1 u
Number of stamps that Glen has = 1 u - 5
Number of stamps that Ivan has = 3 u
Total number of stamps
= 1 u + 1 u - 5 + 3 u
= 5 u - 5
5 u - 5 = 115
5 u = 115 + 5
5 u = 120
1 u = 120 ÷ 5 = 24
Number of stamps that Ivan has
= 3 u
= 3 x 24
= 72
(b)
Number of stamps that Glen has
= 1 u - 5
= 24 - 5
= 19
Answer(s): (a) 72; (b) 19
