29-04-2016
Mathematics

contestada

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

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nathan127 nathan127

29-04-2016

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

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Аноним Аноним

30-04-2016

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

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