Tammy has $11 more than Erika. Hazel has eight times as much money as Tammy. They have a total of $139.
- How much money does Tammy have?
- How much money does Hazel have?
(a)
Amount that Tammy has = 1 u
Amount that Erika has = 1 u - 11
Amount that Hazel has = 8 u
Total amount that they has
= 1 u + 1 u - 11 + 8 u
= 10 u - 11
10 u - 11 = 139
10 u = 139 + 11
10 u = 150
1 u = 150 ÷ 10 = 15
(b)
Amount that Hazel has
= 8 u
= 8 x 15
= $120
Answer(s): (a) $15; (b) $120