Magen has $1.10 in dimes nickels,and pennies. She has three times as many nickels pas pennies and the number of dimes is two less than the number of pennies.how many nickels and pennies do I have
We define the variables: x = dimes y = nickels z = pennies We write the system of equations: 0.1x + 0.05y + 0.01z = 1.10 y = 3z x = z-2 Solving the system of equations we have: x = 3 y = 15 z = 5 Answer: The number of nickels and pennies is: nickels = 15 pennies = 5
