Answer:
A price item dropped $91 today and yesterday it was $140 what is the percent decrease
2 answers:
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Answer: {(5,0), (3,4)}
Step-by-step explanation:
You can apply the Substitution method:
- Solve for y from the second equation.
- Substitute into the first equation and solve for x.
Then:
(Remember that: )
Substitute the values obtained into one of the original equation and solve for y:
The solution set is: {(5,0), (3,4)}