Look at 3 on Variable B's axis, then go to the right until you reach the line.
After you reach the line, go all the way down and see what number you get to on Variable A's axis. You get 8, so that is your answer.
To make a profit. The store needs to make a profit. Buy something from Walmart cheap, sell it for 60% percent more to make a 'good' profit.
Can you show the full question?
If I remember correctly this would be obtained from the factors of -24
so i think its +/-1, +/-2, +/- 3, +/- 4, +/- 8, +/- 6 , +/-12, +/-24
Sorry but i cant be sure