Question

Carla had twice as much money as Vida. After carla gave 12 pesos to vida,carla still had 10 pesos more than vida. how much was the total money of the 2 girls in the beginning?

Answer 1

c=2v
c-12 = v+12 + 10

2v-12 = v+22
v = 34
c = 68
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