Asked by Willow
Christie makes a $9.25 purchase at the bookstore with a $20.00 bill. The store has not bills and gives her change in quarters and 50-cent pieces. There are 30 coins in all. How many of each kind are there?
Are these the correct equations?
x + y = 30
.25x + .5y = 10.75 (that's 20 - 9.25)
Thanks! :)
Are these the correct equations?
x + y = 30
.25x + .5y = 10.75 (that's 20 - 9.25)
Thanks! :)
Answers
Answered by
Reiny
looks good so far.
after you solve it, see if your values satisfy the conditions stated in your problem.
after you solve it, see if your values satisfy the conditions stated in your problem.
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