Toby's piggy bank contains only 5c and 10c coins. If it contains 65 coins with a total value of 3.80, find the number of each ty
pe of coin. Let x and y be the number of 5c and 10c coins respectively.
1a
Use the fact that the total number of coins is 65 to set up Equation 1.
Write the equation in the form ax+by=c, where a is positive.
