Answer:
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Erin needs $100 to pay a bill. She already has $25.00 in the bank. She earns $15.00
2 answers:
Answer:
5 hours
Step-by-step explanation:
Erin needs $100 to pay the bill.
She has $25 in the bank.
First let's find how much money she needs more
She needs $75
They said that,
she earns $15 per hour from her job.
Let the unknown hours be x.
Now let's find the hours she have to work to earn $75
1h = $15
x = $75
Use cross multiplication
She needs to work for <u>5 hours</u> in order to have the $100
Hope this helps you.
Let me know if you have any other questions :-)
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Answer:
Option b. 12
Step-by-step explanation:
we know that
To find the average rate of change, we divide the change in the output value by the change in the input value
The average rate of change is equal to
In this problem we have
Substitute
Answer:
Solution: (2, 2)
Step-by-step explanation:
The first equation describes a line with a y-intercept of 3 and a (downward) slope of -1/2. That is, it has a "rise" of -1 for a "run" of 2.
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The second equation describes a line with a y-intercept of -2 and an (upward) slope of 2. That is, it has a "rise" of 2 for a "run" of 1.
These two lines meet at the point (2, 2), which is the solution to the set of equation. Those are the values of x and y that satisfy both equations.
