SOLUTION: coin A is worth 4/3 of coin b the total cost of both coins is $28. What is coin A worth?

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Question 464172: coin A is worth 4/3 of coin b the total cost of both coins is $28. What is coin A worth?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
a+4/3a=28
7/3a=28
7a=84
a=12
4/3a=16
The two coins are worth $12 and $16..