Question

You have 30 coins worth $2.05 in nickels and dimes. What's in your wallet? Create and solve of equations to find how many dimes and how many nickels you have.

WRITE 2 EQUATIONS
AND I WILL DO THE WORK
ALL I NEED HELP WITH IS THE EQUATION BUT I KNOW HOW TO SOLVE

Answer 1

Explanation:

Since u have two of coins, lets say # of nickles is x and # of dimes is y. We know you have 30 coins:

x+y=30

We know the coins add up to $2.05. We know nickles are 5 cents and dimes are 10 cents.

.05x+.1y=2.05