5. Carla babysits and tutors to make extra money. She babysits for $5 an hour and tutors for $10 an hour.
1 answer:
Carla can babysit for 5 hours and tutor for 7 hours or babysit for 8 hours and tutor for 5.5 hours
<h3>How to graph the inequality?</h3>Let x represents hours babysitting and y represents hours tutoring
So, we have:
Earnings = Rate of babysitting * x + Rate of tutoring* y
This gives
Earnings = 5x + 10y
He wants to earn at least $95.
This means that:
5x + 10y ≥ 95
See attachment for the graph of the inequality
From the attached graph, two possible solutions are: (5, 7) and (8, 5.5)
This means that Carla can babysit for 5 hours and tutor for 7 hours or babysit for 8 hours and tutor for 5.5 hours
Read more about inequalities at:
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Answer:
$16000 invested in 4.25% and 16000 invested in 6.25%
Step-by-step explanation:
Let x be the amount invested in 4.25% and y be the amount invested in 6.25%
4.25%= 0.0425
6.25%= 0.0625
subtract x from both sides
total interest earned is 1680
Now solve for x and y
subtract 2000 from both sides
divide by -0.02 from both sides
x=16000