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Mathematics 16 Online
OpenStudy (lilday12):

Write a mathematical sentence that expresses the information given below. Use s as your variable name. If necessary: type < = to mean or > = to mean . If you need to show multiplication, do not use the letter x. Use the asterisk ( * ) symbol instead, or simplify your answer. Mr. Jones's algebra class has too many students in it. If the class were split exactly in half to form 2 new classes, each class would have no more than 18 students in it.

OpenStudy (plasmataco):

?

OpenStudy (plasmataco):

X<=36

OpenStudy (plasmataco):

cause ... I dont quite know how to explain it...

zepdrix (zepdrix):

Well let's establish what X is. I guess it's sensible to let X be `her class size`, right?

zepdrix (zepdrix):

`If the class were split exactly in half to form 2 new classes` Another way to read this wording is, `if the class size is divided by 2`

OpenStudy (lilday12):

Right

zepdrix (zepdrix):

So that part of the sentence gives us X/2 for our expression

zepdrix (zepdrix):

If X is her class size, then X/2 is half of her class size

zepdrix (zepdrix):

And you have correct equality usage, `no more than` corresponds to `less than or equal to`

zepdrix (zepdrix):

But I'm not sure why you put 36 hmmm

zepdrix (zepdrix):

Oh at the very top of the page it says `use s as your variable name`. So maybe we're supposed to call it `s` instead of `X`.

OpenStudy (lilday12):

*/2>17

OpenStudy (lilday12):

18>=(s/2)

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