Respuesta :
The difference between Susan's and Jim's lawn care business in the amounts they charge for 10 hours at work is 40$
What is work done ?
To calculate the work done on an object when a force moves it, use the equation:
work done = force × distance. W = F s. This is when: work done (W) is measured in joules.
For 10 hours Susan's Charge will be
=168 + 72 $
= 240 $
while For 10 hours Jim Charges will be
=120 + 80 $
=200$
the difference between Susan's and Jim's lawn care business in the amounts they charge for 10 hours at work is
= 240 - 200 $
= 40$
Therefore Option D is the correct answer .
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