Nora and Ivory have $222. Min and Nora have $234. The ratio of Ivory to Min is 1 : 2. How much does Nora have?
Amount that Ivory has = 1 u
Amount that Min has = 2 u
The amount that Nora has is the repeated identity.
Nora + 1 u = 222 --- (1)
Nora + 2 u = 234 --- (2)
(2) - (1)
2 u - 1 u = 234 - 222
1 u = 12
From (1):
Nora + 1 u = 222
Nora + 1 x 12 = 222
Nora + 12 = 222
Amount that Nora has
= 222 - 12
= $210
Answer(s): $210
