SOLUTION: I have homework that asks for elimination, substitution and graphing? can you help me setup question and give me an example for solving it??? 1. problem: a sandwich costs twice

Question 1060695: I have homework that asks for elimination, substitution and graphing? can you help me setup question and give me an example for solving it???
1. problem:
a sandwich costs twice as much as a drink. you can buy 3 sandwiches and 2 drinks for $16.oo. what is the cost of each?
so...........am I setting it up right to solve>>
x= sandwiches Y= drinks
3x+2Y+16

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
"a sandwich costs twice as much as a drink"

"3 sandwiches and 2 drinks for $16.oo"

Substituting,

So then,

Sandwiches are $4, drinks are $2.
.
.
Elimination,

1.
and
2.
Add eq. 1 and 2,

.
.
.
Graphing,
.
.
.

.
.
.
.

RELATED QUESTIONS
on my book i have this question graph the inequality x>-2 and i dont get it... (answered by jim_thompson5910)

Hello there! My homework asks another question and asks me to find: a)tan 60... (answered by josgarithmetic)

they give me two equations 3x+2y=5 and 2x+2y=38, I solved using elimination method and... (answered by josgarithmetic)

My teacher asked me this question 3x + 5y = 4 2x + 4y = 6 She said I could use... (answered by Boreal)

Hello, can someone help me? I have a homework problem I just cannot figure out. My... (answered by solver91311)

I have a homework question on an oblique asymptote. The question is: f(x)=x^2+5x-4... (answered by Edwin McCravy)

Hello, I want to know if you guys can please explain me how to solve an equation using... (answered by Alan3354)

Hello, I have two math problems that I need assistance with. It is using the... (answered by josgarithmetic)

Please help me to know what is the difference of substitution and elimination (ways of... (answered by richwmiller)