Mrs. Sanders has 80 coins some were 1 dollar coins and the rest were 50 cents coins. The total amount was $50, how much 1 dollar and 50 cent coins did she have?

Mrs. Sanders has 20, 1 dollar coins and 60, 50 cent coins.

Step-by-step explanation:

We are given the following in the question:

Let x be the 1 dollar coins and y be the number of 50 cents coins.

Total number of coins = 80

Thus, we can write the equation:

Total amount =  $50

Thus, we can write the equation:

Solving the two equations by elimination, we get,

Thus, Mrs. Sanders has 20, 1 dollar coins and 60,  50 cent coins.

you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.

b

step-by-step explanation: