Question

Which of the following inequalities can be used to determine the number of hours, t, after 7 a.m. when the power usage on campus will be less than or equal to 100,000?

Answer 1

i will give the answer for this question

Answer:

firstly. In 1 hour there is 60 mins.=1×60=60

so, after 7 am = 60×7 =420

the power usage on campus will be less than on equal to (Wright this) 420 ×100000 = 42000000

42000000-420, will be = 41999580