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10 coins consistinig of nickels and dimes equal 80 cents how many coins does she have?
You could (a) use trial and error; (b) write two equations; or (c) call the number of nickels "n", and the number of dimes "10-n" (since there are 10 coins in total). I will use the latter approach.
Number of nickels: n
Number of dimes: 10-n
For the main equation, multiply the number of coins by the value of each coin:
value of nickels + value of dimes = 80
5n + 10(10-n) = 80
Now solve the equation:
5n + 100 - 10n = 80
-5n = -20
5n = 20
n = 4
So, you have 4 nickels, and 6 dimes.
You could (a) use trial and error; (b) write two equations; or (c) call the number of nickels "n", and the number of dimes "10-n" (since there are 10 coins in total). I will use the latter approach.
Number of nickels: n
Number of dimes: 10-n
For the main equation, multiply the number of coins by the value of each coin:
value of nickels + value of dimes = 80
5n + 10(10-n) = 80
Now solve the equation:
5n + 100 - 10n = 80
-5n = -20
5n = 20
n = 4
So, you have 4 nickels, and 6 dimes.
You could (a) use trial and error; (b) write two equations; or (c) call the number of nickels "n", and the number of dimes "10-n" (since there are 10 coins in total). I will use the latter approach.
Number of nickels: n
Number of dimes: 10-n
For the main equation, multiply the number of coins by the value of each coin:
value of nickels + value of dimes = 80
5n + 10(10-n) = 80
Now solve the equation:
5n + 100 - 10n = 80
-5n = -20
5n = 20
n = 4
So, you have 4 nickels, and 6 dimes.
You could (a) use trial and error; (b) write two equations; or (c) call the number of nickels "n", and the number of dimes "10-n" (since there are 10 coins in total). I will use the latter approach.
Number of nickels: n
Number of dimes: 10-n
For the main equation, multiply the number of coins by the value of each coin:
value of nickels + value of dimes = 80
5n + 10(10-n) = 80
Now solve the equation:
5n + 100 - 10n = 80
-5n = -20
5n = 20
n = 4
So, you have 4 nickels, and 6 dimes.
What else can I help you with?
How do you make a dollar with 17 coins?
14 nickels = 70 cents 3 dimes = 30 cents 14 nickels + 3 dimes = 1.00
How to make 55 cents with 12 coins?
You will make 55 cents with 12 coins by using 5 pennies, 3 dimes, and 4 nickels.5 pennies, 3 dimes, and 4 nickels will make 55 cents with 12 coins.
What coins would you have if you have 12 coins and 82 cents?
You could have 6 dimes, 4 nickels and 2 pennies.
How do you make 48 cents out of 10 coins?
5 nickels, 2 dimes, and 3 pennies.
What eleven coins equal fifty cents?
Three dimes, three nickels, five pennies
How do you make a dollar with 17 coins?
14 nickels = 70 cents 3 dimes = 30 cents 14 nickels + 3 dimes = 1.00
Pat has 5 dollars and 80 cents in nickels and dimes If there are 73 coins in all how many of them are dimes?
43 dimes and 30 nickels
How to make 55 cents with 12 coins?
You will make 55 cents with 12 coins by using 5 pennies, 3 dimes, and 4 nickels.5 pennies, 3 dimes, and 4 nickels will make 55 cents with 12 coins.
How do you make sixty cents with eight coins?
4 dimes, 4 nickels
What are 6 coins that make 40 cents?
Two dimes, four nickels
If you have 43 cents and 8 coins what are the coins and the number of coins?
3 dimes, 2 nickels, and 3 pennies
30 coins to equal 1.09?
3 dimes, 13 nickels, and 14 cents
How can you make 62 cents with 5 coins no dimes?
One half dollar, two nickels, two cents.
What coins would you have if you have 12 coins and 82 cents?
You could have 6 dimes, 4 nickels and 2 pennies.
What 7 coins equal 46 cents?
3 dimes 3 nickels 1 penny.
What eleven coins equal fifty cents?
Three dimes, three nickels, five pennies
What 9 coins equal 87 cents?
2 dimes 3 pennies 4 nickels
