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Mathematics 19 Online
OpenStudy (anonymous):

Bob has three times as many baseball cards as bill. Together they have a total of 68 cards. How many cards does Bob have?

OpenStudy (anonymous):

let's say that x=bill's cards Then Bob's cards is 3x and those added up is 68 so x + 3x = 68 so calculate for x, which tells you how many cards bill has. then multiply that by 3 to know how many cards bob has.

OpenStudy (anonymous):

So the answer is bob has how many cards?

OpenStudy (anonymous):

do you know how to find out what x is?

OpenStudy (anonymous):

uh multiply 68 by 3

OpenStudy (anonymous):

no, we start with x + 3x = 68 so add up the left side. that gives 4x = 68 then divide both sides by 4. that gives x = 17 this means that Bill has 17 cards. we know that Bob has 3 times as many cards as Bill so 17 x 3 = 51

OpenStudy (anonymous):

Ohh i get it thanks:)

OpenStudy (anonymous):

no problem

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