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umka2103 [35]
3 years ago
14

Brittany is asked about her age. She answers as follows. "My age is 10 more than twice the age of my younger brother." How old i

s her younger brother if Brittany is 34 years old?
Mathematics
1 answer:
blagie [28]3 years ago
6 0

Answer:

12

Step-by-step explanation:

x will be the age of her younger brother

 34 = 2x + 10

She is ten more than twice his age

 34 = 2x + 10

- 10         - 10

Then she twice his age

24 = 2x

÷2   ÷2

So his age is 12

x = 12

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