SOLUTION: I am confused by this, can someone please help? A student makes a ​$10.50 purchase at the bookstore with a​ $20 bill. The store has no bills and gives the change in qu

Algebra ->  Systems-of-equations -> SOLUTION: I am confused by this, can someone please help? A student makes a ​$10.50 purchase at the bookstore with a​ $20 bill. The store has no bills and gives the change in qu      Log On


   

Question 1125424: I am confused by this, can someone please help?
A student makes a ​$10.50 purchase at the bookstore with a​ $20 bill. The store has no bills and gives the change in quarters and​ fifty-cent pieces. There are 30 coins in all. How many of each kind are​ there?
There are
____quarters in the change.
____fifty cent pieces in the change.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
A student makes a ​$10.50 purchase at the bookstore with a​ $20 bill. The store has no bills and gives the change in quarters and​ fifty-cent pieces. There are 30 coins in all. How many of each kind are​ there?
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20.00-10.50=9.50--------the change back needed from cashier

q quarters
h half-dollar pieces
system%28q%2Bh=30%2C0.25q%2B0.5h=9.5%29

q%2B2h=38
and
q%2Bh=30

highlight%28h=8%29-----------fifty-cent pieces
highlight%2822%29-----------quarters