Mrs. Whitlow gives her dog, Ekon, a weekly allowance to spend on treats. This week, Ekon

received $2.20 in nickels and dimes. If there is a total of 26 coins, how many of each coin did

Ekon get?

(Solve using systems of linear equation)

8 nickels and 18 dimes

Step-by-step explanation:

Make a system of equations:

n + d = 26

5n + 10d = 220

Solve by elimination by multiplying the top equation by - 5. This gives you:

-5n - 5d = - 130

5n + 10d = 220

Then solve to get 5d = 90, then d = 18.

Then plug 18 for d in the equation n + d = 26, so n + 18 = 26

n = 8