Answer:
70 mins
Step-by-step explanation:
This is called inverse proportion.
1hr : 14in
x hr : 12in
Ask yourself, what do you do to 14 to get 12? To find this out, we do:
14 / 12 = 1.16666667
Since the blade is smaller, it will take longer. So, we times 1hr by 1.16666667 to get
1.16666667 hrs =
1.17 hours (rounded)
This is 70.2 mins, or 1hr 10 mins
Hope this helps!
If the time taken by 14 inches wide is one hour then the blade of 12 inches wide will take 1 hour 17 minutes to mow a lawn.
What is width?
The width of something is the measurement of one side of a body. It is generally less than length of that body or shape.
How to calculate time?
We have been given time of 1 hour if blade is 14 inches wide and we have to calculate time taken by 12 inches wide blade:
It will be as 14/12* 1 hour
=14/12
=1.167
=1.17 hour
Hence the time taken by the blade of 12 inches wide will be 1 hour and 17 minutes.
4(x-2)(x+3)
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There are 15 halves in 7 1/2.
