Question 939508: Ben has four more than twice as many CDs as Jake. If they have a total of 31 CDs, how many CDs does Jake have? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Ben has four more than twice as many CDs as Jake. If they have a total of 31 CDs, how many CDs does Jake have?
Equations::
b + j = 31 CDs
b = 2j+4
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Substitute for "b" and solve for "j"::
2j+4 + j = 31
3j = 27
j = 9 (# of CDs Jake has)
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Cheers,
Stan H.
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