Asked by bruh
At Generic High School, in the year 2001, there were 20 students per every computer. In 2008, there were 4 students per computer. During which year were there 10 students per computer? Show your work.
Answers
Answered by
Anonymous
let x = year - 2001
then 2008 is x= 7
let y = 20 - a x
4 = 20 - a*7
7 a= 16
a = 16/4
so
y = 20 - (16/4) x
10 = 20 - (16/4) x
(16/4)x = 10
x = 40/16 = 2.5 years after 2001
during 2003
then 2008 is x= 7
let y = 20 - a x
4 = 20 - a*7
7 a= 16
a = 16/4
so
y = 20 - (16/4) x
10 = 20 - (16/4) x
(16/4)x = 10
x = 40/16 = 2.5 years after 2001
during 2003
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