Answer:
10 years old
Step-by-step explanation:
Let's put own the data given to us.
Alyssa (a) = 2b
Brittany (b)
Jazmyn (j) = a + 15 = 2b + 15 = 35
Let us solve the equation.
2b + 15 = 35
2b = 35 - 15
2b = 20
b = 20 / 2
b = 10
Therefore, Brittany is 10 years old.
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