A collection of dimes and nickels is worth $9.50. There are 132 coins in all.
How many of each coin are there?
____dimes
____nickels
@Directrix
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Directrix (directrix):
Same song, fifth verse
OpenStudy (anonymous):
yea brb
Directrix (directrix):
Define variables.
x will be the number of dimes
y will be the number of nickels.
Directrix (directrix):
x + y = ?
OpenStudy (anonymous):
$9.50
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Directrix (directrix):
No.
OpenStudy (anonymous):
x+y=132
Directrix (directrix):
ok
Directrix (directrix):
Each dime is worth 10 cents but the sum of the money is given in dollars.
So, what is 10 cents written as part of a dollar.
Hint, cent is a signal for hundredths.
Directrix (directrix):
Each dime is worth .10
x dimes are woth .10x
You do the nickels in the same way.
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OpenStudy (anonymous):
10x+5y=132
Directrix (directrix):
That is not what I asked.
Directrix (directrix):
Each nickel is worth ?
y nickels are worth what times y
OpenStudy (anonymous):
5
Directrix (directrix):
No
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OpenStudy (anonymous):
nickels=5 cents
Directrix (directrix):
5 cents = what part of a dollar
OpenStudy (anonymous):
5y
Directrix (directrix):
No
Directrix (directrix):
Each nickel is worth 5 cents which is $.05
y nickels is worth what?
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OpenStudy (anonymous):
$9.50
Directrix (directrix):
NO
OpenStudy (anonymous):
sorry
Directrix (directrix):
.05*y is what the nickels are worth
y nickels at five cents each.
OpenStudy (anonymous):
0.5y
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OpenStudy (anonymous):
sorry meant .05y
Directrix (directrix):
x + y = 132, .10x + .05y = 9.50
Take these to the wolf.
OpenStudy (anonymous):
58 dimes
74 nickels
OpenStudy (anonymous):
thanks
Directrix (directrix):
Yes. The wolf threw up an approximately = symbol and I was seeing what the deal is on that.
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Directrix (directrix):
Close, post, and move.
OpenStudy (anonymous):
@Directix I hate to be rude but you were a little rude