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Amanda, Bethany, and Christina are all sisters.
The sum of the ages of the sisters is 40. Amanda is 5 more than double Christina's age. The
difference between Bethany's and Christina's age is 3. Write a system for this scenario.

Respuesta :

A+B+C= 40

2C +5=A

B-C=3

A is Amanda, B is Bethany and C is Christina
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