## Answers by Tae K.

Hello Yazzy,   "Markup" simply means "how much of a price increase is there?"   So if the store bought the cereal at \$2.50 and sold it for \$3.50 there is a \$1 markup.    This in terms of percentages is 1/2.50 = 0.4, which is a 40% markup...

Hello Sally,   The answer to this question is C.    Explanation:   A) Water-splitting step of photosynthesis is called Photolysis. This is splitting of H2O. Therefore, no carbon dioxide can be released during this step.    B) Again, nitrogen...

Hi Leo.   Think of it as a giant right triangle.   So since one train is moving directly south at 5mph, it would have traveled the length of 15 miles in 3 hours (5x3=15).    The other train traveling east at 40mph would have traveled a total of 120 miles...

Hi Debbie,     A good set up is the starting point for these types of questions.            Christina = 3/4 (Laura)    So, in 7 years,            Christina + 7 = Laura + 2    *Notice...

Hello Mel,   Well that depends on the level of the HS orchestra. If the orchestra at your HS is fairly new or if there aren't many cello players currently in the orchestra, you may very well be able to join, especially if you love practicing.    I'd say it would be...

There is an error with this question.   When you work out the expressions using x, x+2, x+4 to express the three consecutive odd integers and solve it by doing x+3(x+4) = 261, x doesn't work out to be an odd number.    So you were correct in not being...

Hello Abinaya.  This is simpler than it looks...  The key information here is that there are 100 people in total!  Okay, so there are 75 people who speak Hindi and then 40 who speak English. I know that by adding them I get a total of 115 people!  Wait... that's...

Hi Jordan. Okay, so finding the midpoint between two points in a coordinate system isn't as tough as it sounds. In fact, if you know how to find the average of two numbers you can do this easily!  So let's take the points (-2,2) and (6,4) 1) You add the X values together and divide...