SOLUTION: In his register, mark has five $1 coins less than triple of $2 coins. If there is a total of $85 in the register, how many $1 coins are there. Can you explain this to me please? I

Algebra ->  Customizable Word Problem Solvers  -> Coins -> SOLUTION: In his register, mark has five $1 coins less than triple of $2 coins. If there is a total of $85 in the register, how many $1 coins are there. Can you explain this to me please? I       Log On

 

Hi,

Let x represent the number of $2 coins

 $2(x) + $1(3x-5) = $85

     5x = $90

      x = 18, the number of $2 coins,  There are 49  $1 coins