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
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.
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Elimination,
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and
2.
Add eq. 1 and 2,
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Graphing,
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