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Question

Lettie just got her driver's license. Her friends soon nicknamed her "Leadfoot" because she is always going 80 mph on the freeway even though the speed limit is 65 mph. a. At this speed, how long will it take her to travel 50 miles? b. How long would it take her if she drove the 50 miles at 65 mph? c. Speeding tickets carry fines of about $200 and usually increase the cost of insurance. If Lettie gets a ticket on this trip, then what would be her cost per minute of time saved?

Solutions

VerifiedSolution A

Solution B

Answered 2 months ago

Step 1

1 of 5Given the speed which is $80$ mph, let us determine the time it takes Lettle to travel $50$ miles.

Answered 2 months ago

Step 1

1 of 3To get the time at which Lettie traveled 50 miles, you just need to use the formula for time $t$ given distance $d$ and speed $s$.

$t=\dfrac{d}{s}$

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