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ethanyayger
19.06.2020 •
Mathematics
PLEASE HELP!! The question is “ Abbey spends 5 hours less then triple the amount of time Emily spends on homework. Nathan spends twice as much time on homework as Abbey does. Write a simplified expression for the total number of hours the three friends spend on their homework. Show your work.”
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Ответ:
5(2x-3)
Step-by-step explanation:
Let the amount of time Emily spends on homework.=x (in hours)
Abbey's Time = 5 hours less than triple the amount of time Emily spends
Therefore:
Amount of Time spent by Abbey =3x-5Nathan's Time = Twice as much time as Abbey.
Amount of Time spent by Nathan =2(3x-5)Next, we calculate the total number of hours the three friends spend on their homework
=Time spent by Emily+Time spent by Abbey+Time spent by Nathan
=x+(3x-5)+2(3x-5)
=x+3x-5+6x-10
Collect like terms
=x+3x+6x-5-10
=10x-15
Next, we simplify by factorizing
Therefore, Total number of hours =5(2x-3)
Ответ:
B) The increase in demand made the South the center of the U.S. economy and the North was dependent on southern production