A water well rig has dug to a height of -60 feet after one full day of continuous use. if the rig has been running and is currently at a height of -143.6 feet, for how long has the rig been running?

Given :

A water well rig has dug to a height , H = 60 feet after one full day of continuous use .

To Find :

If the height is currently 143.6 feet how time it been running .

Solution :

It is given that height after 24 hours of use is 60 feet .

So , height loose in 1 hours is :

Now , time taken to cover a height of 143.6 feet is :

Therefore , time taken is 57.44 hours .

Hence , this is the required solution .

exa:

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3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

$15 each

step-by-step explanation:

$45/3 children= $15 each