SOLUTION: Your cell phone plan allows you 400 minutes to talk per month. So far this month, you have used 265 minutes and you have 7 days left on this month’s plan. Which inequality could yo

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Your cell phone plan allows you 400 minutes to talk per month. So far this month, you have used 265 minutes and you have 7 days left on this month’s plan. Which inequality could yo      Log On


   

Question 1121474: Your cell phone plan allows you 400 minutes to talk per month. So far this month, you have used 265 minutes and you have 7 days left on this month’s plan. Which inequality could you use to determine how many minutes at most you can use per day so that you don’t go over your monthly plan minutes?
a. 7x+265<400 c. 7x+265≤400 b. 7x+265>400 d. 7x+265≥400
Answer by ikleyn(52815) About Me  (Show Source):
You can put this solution on YOUR website!
.

The answer is option c.   (which is the second option in your list).


Notice that in your list the order of options is missed: a); then c); then b);  then d).

-------------

Some people think that such a statement should be explained/(? proved ?)

I do not think so.

I think that such an instruction is enough for the person who has eyes, who knows the basics (enough to read and understand the question)

and minimal amount of the brain cells in his or her head.