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Burka [1]
3 years ago
5

Mia is three years older than twice her sister brooke's age. The sum of their ages is less than 30. what is the greatest age Bro

oke can be?
Mathematics
1 answer:
Pachacha [2.7K]3 years ago
7 0

Answer: 9

Step-by-step explanation: You can start by setting this up as an equation, where X is Brooke’s age.

X + 2(x)+ 3 = 30

The 2(X) + 3 signifies the part of the problems identifying that Mia is twice her sisters age plus 3 years.

Combine x’s

3x + 3 = 30

Subtract 3 from both sides to isolate the x term

3x= 27

Divide both sides by 3 to reduce to a single x

X= 9 , which is brooke’s age

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