Answer:
D) 4
Step-by-step explanation:

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Step-by-step explanation:
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Given:
Rate of simple interest = 5%
Time = 4 years
Total interest = $160
To find:
The amount borrowed by Austin from a credit union.
Solution:
The formula for simple interest is:

Where, P is principal, r is the rate of interest and t is the number of years.
Putting
in the above formula, we get



Multiply both sides by 5.

Therefore, Austin borrowed $800 from a credit union for 4 years.
Answer:
30
Step-by-step explanation:
2700/90 = 30
27/9 = 3
100/10 = 10
3*10 = 30
What midpoints are you wanting to measure?