A handbag originally cost $85.00. now it is priced at $68.00. what is the percent of decrease?
2 answers:
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Answer:
Step 1 = 9
Step 2 = 4
Step 3 = 25
Step-by-step explanation:
Answer:
The system of equations is
Step-by-step explanation:
Let
x ----> the number of minutes of calling time
y ----> the monthly cost of the calling plan
we know that
The linear equation in slope intercept form is equal to
where
m is the slope
b is the y-intercept
In this problem
Plan A
substitute
----> equation A
Plan B
substitute
----> equation B
therefore
The system of equations is