SOLUTION: There are 130 coins in a box , which consists of $1 coins and 50 cents only . Let X be the number of $1 coins. Use an algebraic expression to represent the total value of the coins

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Question 1053023: There are 130 coins in a box , which consists of $1 coins and 50 cents only . Let X be the number of $1 coins. Use an algebraic expression to represent the total value of the coins
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+x+ = number of $1 coins
+1%2Ax+=+x+ = total value of $1 coins
+130+-+x+ = number of $.50 coins
+.5%2A%28+130+-+x+%29+ = total value of $.50 coins
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Let +T+ = total value of the coins
+T+=+x+%2B+.5%2A%28+130+-+x+%29+ ( in dollars )