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3 votes
John has twice as many brothers as Bob. If Bob has b brothers, how many brothers does John have?

User Lee
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2 Answers

5 votes
2x. Use variables. "X" is our variable. Bob has x brothers. If john has 2 times as many you multiply so it would equal 2x
User Zachelrath
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7.6k points
3 votes
Let, J = John and B = Bob

2J = B

Because you didn't give me a number we are making an expression

2J = b

Make J = 1

J = b/2
User Wolfc
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7.6k points