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 2 years ago
Write a system of equations for the following situation.
Sharon has some $1 bills and some $5 bills. She has 14 bills which total to a value of $30.
 2 years ago
Write a system of equations for the following situation. Sharon has some $1 bills and some $5 bills. She has 14 bills which total to a value of $30.

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Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1let $1 = x and $5 = y ok? so 1x + 5y = 30 now that is one equation

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1any idea what the 2nd one is?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1now we use a method to find x and y? which do you like ^^ elimination? substitution?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1awsome (so much easier) x + 5y = 30 x + y = 14 we subtract x from x vertically. 4y = 16

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1now i hope you can figure it out. once you find y sub y into the equation

mitchelsewbaran
 2 years ago
Best ResponseYou've already chosen the best response.0isnt that for the substitution method?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1we use the elimination then we sub y into the equation

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1if we did substitution we would make y the subject then get y THEN we would sub y into equation to get x

mitchelsewbaran
 2 years ago
Best ResponseYou've already chosen the best response.0which equation should i plug the 4 in for y?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1x + y = 14 would just be easier though

mitchelsewbaran
 2 years ago
Best ResponseYou've already chosen the best response.0ok ill go for that. I got 10 for x

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1good so we can conclude x = 10 and y = 4

mitchelsewbaran
 2 years ago
Best ResponseYou've already chosen the best response.0srry i didn't get the 2nd equation when u asked :(

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1mhm what equation?

Kuoministers
 2 years ago
Best ResponseYou've already chosen the best response.1well there is some $1 and $5 bills yea... and they add to 14. we said that $1 is x and $5 is y. so x + y is equal to 14.
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