SOLUTION: you have nickels and dimes in your wallet with a total value of $1.10. You have 17 coins in all. Write and solve a system of linear equations to find the number x of nickels and y

Question 542361: you have nickels and dimes in your wallet with a total value of $1.10. You have 17 coins in all. Write and solve a system of linear equations to find the number x of nickels and y of dimes.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
given:
(1)
(2) ( in cents)
------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)

and, since
(1)
(1)
(1)
There are 12 nickels and 5 dimes
RELATED QUESTIONS
You have a total or 21 coins, all nickels and dimes. the total value is $1.70. Write and... (answered by checkley75)

You have 10 coins, quarters and dimes, in your wallet that total $2.05. You have 4 more... (answered by Boreal)

Write a linear system that models the situation and solve. You have a total of 5... (answered by jim_thompson5910)

Write an equation to show the sum of the coins in your wallet if you have 6 coins in... (answered by CubeyThePenguin)

You have a total of 47 nickels and dimes. The value of all your coins is $3.15. How many... (answered by ewatrrr)

1. State the variables 2. Write a system of equations 3. Write a matrix equation 4.... (answered by richwmiller)

if you have a total of 21 coins, all nickels and dimes. The... (answered by stanbon)

You have 32 coins. They are all nickels and dimes. You have a total of 2.85. Write a... (answered by Maths68)

You have a total of 25 coins, all nickels and quarters. The total value is $3.85. Write (answered by checkley71)