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hodyreva [135]
2 years ago
9

Bethany so $3.10 in nickels and dimes. She has a total of 44coins.what is the amount of nickels Bethany has? HELP!

Mathematics
1 answer:
alukav5142 [94]2 years ago
5 0

We know that a nickel equals $0.05.

We know that a dime equals $0.10.


So we will start by looking at the basic pricing of each coin, then to look into writing this problem out in an basic algebra a format. *key - anytime you are trying to find out the amount (value) that is written out in word format you always want to convert it into an equation to get your solution.*


We will use x (which is the most common) for the number of dimes that we have.


44-x (so x is the amount of dime, and 44 is the total coins that we have all together between the nickles and dimes).


0.10 (the price of a dimes)x+0.05 (the price of the nickles)*(44-x)=3.10 (the total amount of the nickels and dimes together.


Always use your rule of PEMDAS


10x+5*(44-x)=3.10

10x-5x=310-5*44

5x=90

x=18 (this is simplified)


So there are 18 dimes and then there is 26 nickels which = $1.30.


So your answer is going to be $1.30.


You can check your work by, the 18 dimes would be 44-18 which is 26 and then the value of the nickels 26*$0.05=$1.30

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