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HELP!!!!! Jonna is 4 years older than her brother. Which of the following expressions shows the sum of their ages if b represents Jonna's brother's age? A: 2b + 4 B: b + 4 C: 2(b + 4) D: 4b
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3 votes
HELP!!!!!

Jonna is 4 years older than her brother. Which of the following expressions shows the sum of their ages if b represents Jonna's brother's age?

A: 2b + 4
B: b + 4
C: 2(b + 4)
D: 4b

User Rob Garrison
by
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2 Answers

6 votes
The Answer: A
because 2b represents how much older she is than her brother

User Guillermo Alvarez
by
7.2k points
5 votes
The answer is A, since the equation j = 4 + b can be used to represent Jonna's age. You then add that to b (the brother's age) to get the sum of the two, which yields 2b + 4.
User Burrito
by
8.6k points
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