90 miles per hour is its average speed.
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Tangent segment ? I think. I don't know for sure because of the way you wrote the question- I got a bit confused.
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<u>hope it helps...</u>
<u>have a great day!!</u>
550 * 4.5% = 24.75
24.75 * 3 = 74.25
The loan has accumulated to $74.25
The total paid back would be $624.25
Hope I could help :)