SOLUTION: Andy has 9 minutes to study for a Spanish exam. It takes him 6 minutes to write a practice essay, and 9 minutes to review the vocab froma lesson. Andy want to write E essays and re

Question 703754: Andy has 9 minutes to study for a Spanish exam. It takes him 6 minutes to write a practice essay, and 9 minutes to review the vocab froma lesson. Andy want to write E essays and review the vocab in S lessons.
a) Write a inequality that describes all the possible values of e and s.
b) graph these values as a function of e.
I NEED HELP! :) Thanks!
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
If Andy has just 9 minutes to study for his Spanish exam, Andy is in trouble.
Andy NEEDS HELP!

Writing practice essays would take Andy minutes.
Reviewing the vocabulary in lessons would take Andy minutes.
Doing both would require minutes.

If all the time Andy has to study is 9 minutes,
a)

b) Not sure what is meant by "these values", but
and
If (Andy writes no essay) we get
so or
(Andy can review vocabulary for 1 lesson, or review nothing).
I (Andy writes 1 essay) we get --> --> -->
(There's no time to review vocabulary).
I could graph that as

If there was a typo, and Andy really had 90 minutes, then we are looking for pairs of integers (e,s) that are solutions to

That would be the integer pairs in the red solution zone:
or Too many red circles to draw,
but I guess you get the idea. (By now, I am not willing to give Andy 90 minutes).
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