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Question

Lovish has 6 hours to spend in Ha Ha Tonka State Park. He plans to drive around the park at an average speed of 20 miles per hour, looking for a good trail to hike. Once he finds a trial he likes, he will spend the remainder of his time hiking it. He hopes to travel more than 60 miles total while in the park. If he hikes at an average speed of 1.5 miles per hour, which of the following systems of inequalities can be solved for the number of hours Lovish sends driving d, and the number of hours he spends hiking, h while he is at the park?

A
1.5h+20d>60,h+d6
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B
1.5h+20d>60,h+d6
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C
1.5h+20d<0,h+d360
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D
20h+1.5d>6,h+d60
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Solution

The correct option is A 1.5h+20d>60,h+d6
Given that Lovish has spend 6 hours in Ha Ha park.
He drives around the park at an average speed of 20 miles per hours
And he will spend the reminder time by hiking if hikes an avarge speed of 1.5 miles per hours.
If he spend d hours for drives and h hours for hiking.
He hopes to travel more than total 60 miles run in park
Then he traveldistance in driving =20d miles
And he travel distance in hiking =1.5h
Then total distance travel by Lovish in park =1.5h+20d
And total time spend by Lovish in park =h+d
But given that Lovish travels 60 miles in park by spending 6 hours.
h+d6
1.5h+20d>60

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