SOLUTION: If I have 200 loonies and quartres and both the coins amount equal 91.25 how many of each coin do i have
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Question 947387: If I have 200 loonies and quartres and both the coins amount equal 91.25 how many of each coin do i have
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
I guess your "loonies" are Canadian $1 coins. (I do not recall ever seeing one, but I have only visited Canada in very short trips).
IF YOU HAVE STUDIED SYSTEMS OF LINEAR EQUATIONS:
= number of loonies
= number of quarters
"I have 200 loonies and quarters" translates as
.
Since
= value of loonies in Canadian dollars, and
= value of quarters in Canadian dollars,
if the total of both types of coins amounts to 91.25,
or .
We can turn that equation into a prettier equivalent equation
by multiplying both sides of the equal sin times o get
<--->
Now we have
-->-->-->-->-->-->-->-->-->
IF YOU HAVE NOT STUDIED SYSTEMS OF LINEAR EQUATIONS:
= number of loonies
"I have 200 loonies and quarters" translates as
= number of quarters.
Since
= value of loonies in Canadian dollars, and
= value of quarters in Canadian dollars,
if the total of both types of coins amounts to 91.25,
.
Then,
-->-->-->-->-->-->-->-->,
and --> .
Either way, you have loonies and quarters.
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