the average screen time for middle school students is 240 minutes per day. In 2020 students went into virtual learning and the a verage screen time is 70 percent longer. What is the total percent of screen time this year?
2 answers:
Answer:408=screen time
Step-by-step explanation:240+168 70%=168
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Answer:
I believe 408 minutes a day
Step-by-step explanation:
So, I have my own method which is to divide the whole (in this case, 240) by 10 and multiply by whatever percent you have to multiply by and you add it to the whole.
ex.
240/10 = 24
24x7=168
240+168= 408
to do with 100s like 73% then divide the whole by 100 :)
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y + 51 ≥ -240
Step-by-step explanation:
the y intercept is the constant term on the x side
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we can foil this out to see that
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