SOLUTION: Mrs.Sanders had 80 coins. Some of them were 1-dollar coins, the rest were 50-Cent coins. The total amount added up to $50. How many of each kind were there? Please explain how you

Question 896864: Mrs.Sanders had 80 coins. Some of them were 1-dollar coins, the rest were 50-Cent coins. The total amount added up to $50. How many of each kind were there?
Please explain how you got the answer, thanks :).
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Assign variables to the count of the coin (two variables because two different kinds of coins).
Form an equation to account for the 80 coins.
Form an equation to account for the amount of money.

Let me add just a little more.
d = how many DOLLAR size coins
h = how many HALF-dollar size coins

Can you do as described and then solve?
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