SOLUTION: Please help me set up this equation, Mary has 22.75 in the bank. She only saves half dollars and quarters. She has $10.50 in half dollars, how MANY quarters does she have? I know h

Question 369377: Please help me set up this equation, Mary has 22.75 in the bank. She only saves half dollars and quarters. She has $10.50 in half dollars, how MANY quarters does she have? I know how to get to the answer but I don't know how to set up the equation to solve for x
Found 2 solutions by acalgebra, mananth:
Answer by acalgebra(30) (Show Source): You can put this solution on YOUR website!
Let the number of quarters be x, then

Now, divide 12.25 by 25 to get

So, Mary has 49 quarters in the bank.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
She has half dollars & quarters
Let quarters be x numbers
Half dollars = $ 10.75
..
0.25x+10.75 = 22.50
-10.75
0.25x+10.75-10.75 = 22.50-10.75
0.25x=11.75
x= 11.75/0.25
x= 47 quarters
..
m.ananth@hotmail.ca

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