include the let statement, 2 equations with two variables, solution by elimination or substitution method.

Question

a commissionaire removed 76 coins, consisting of loonies and quarters, from a parking meter. If the value of the coins was $37.75, how many coins of each were removed? 

Answer 1

After doing some research, 1 loonie is a Canadian dollar that is equal to $0.75 USD.

 

Let x = the number of loonies

Let y = the number of quarters

 

Using these variables, we can create equations the represents the total cost and total number of coins.

 

x + y = 76                                   eq1   -------> total number of coins

0.75x + 0.25y = 37.75                  eq2  ------->  total cost

 

You now have a system of two equations.  Use either substitution/elimination methods to solve for x and y.