SOLUTION: Bob has 39 coins in nickels and dimes he has a total of $2.45. let x represent the nickels and y represent the dimes. Which system of linear equations can be used to determine the
Algebra.Com
Question 630482: Bob has 39 coins in nickels and dimes he has a total of $2.45. let x represent the nickels and y represent the dimes. Which system of linear equations can be used to determine the number of dimes?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
It makes no sense to use x and y.
I will use n and d.
n+d=39
5n+10d=245
RELATED QUESTIONS
Joanne has a pile of nickels and dimes she counts her money an discovers that she has 30... (answered by ikleyn)
Steve has 5 more nickels than dimes, and the total value of his coins is $2.05. How many... (answered by TimothyLamb)
A piggybank has a total of 30 coins made up of nickels and dimes. The total value of the... (answered by scott8148)
Write an equation that can be used to solve:
Emila has 10 more nickels than dimes, and... (answered by KMST)
Chris has 20 coins a mix of nickels and dimes if Chris has the d dimes write an... (answered by josgarithmetic,Alan3354)
Lisa has 45 coins that are worth a total of $3.50. If the coins are all nickels and... (answered by josmiceli)
Phillip has $2.10 in nickels and dimes. If he has a total of 31 coins, how many of the... (answered by TimothyLamb)
Jose has $3.25 in nickels and dimes. If he has a total of 41 coins, how many of the coins (answered by ewatrrr)
anthony has a total of 100 coins in dimes and nickels. if the total value of the coins is (answered by richwmiller)