How many minutes will it take to travel 2.5 miles if you are walking at 3.7 miles per hour?

1 answer:

3 0

STEP 1:
Set up a proportion

x= time to walk 2.5 miles

3.7 miles/ 1 hour= 2.5 miles/x
cross multiply

(3.7 * x)= (1 * 2.5)

3.7x= 2.5
divide both sides by 3.7

x= 0.6756756757

STEP 2:
find minutes

= 0.6756756757 * 60 minutes/hour
= 40.5405405405 minutes

ANSWER: It will take 40.54 minutes to walk 2.5 miles.

Hope this helps! :)

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A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of

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We are asked to solve for the width "x" in the given problem. To visualize the problem, see attached drawing.
We have the area of the swimming pool such as:
Area SP = l x w
Area SP = 10 * 16
Area SP = 160 feet2
Area of the swimming pool plus the sidewalk with uniform width:
Area SP + SW = (10 + x) * (16 + x)
160 + 155 = 160 + 10x + 16x + x2
160 -160 + 155 = 26x + x2
155 = 26 x + x2
x2 + 26x -155= 0
Solving for x, we need to use quadratic formula and the answer is 5 feet.

The value of x is 5 feet.