SOlving mark-up and discount problems with proportions

[ladygagailove]

FUNNY who people spend a whole 2 lessons teaching this when we can learn it from you for 6 min?

[ladygagailove]

Thank god for this video! o.o My teacher taught me nothing xD

[N0RMA1918]

:)

[broadwaysunshine1]

thanks for the help[:

[SweetMeo11]

thx thx i hav my exam tomorow and u helped alot

[TheXoXnatalieXoX]

.wipes brow.

[JMan23687]

dude that makes sense

[TheRockmaster900]

Thanks very much ,I owe u man

[slashkick08]

thanks a lot =) 

[pAiGeDrAgOnKnIgHt]

thanks so much man!, if it werent for you i wouldnt have passed my summerschool class, how can i repay you?

[Cupquakezz]

I FUCKING LOVE YOU!!!

jkjk kno homo just friendly love.. lfmao

[littlemissashmeyer]

thank u very much u really helped learn me on my school homework now i no how thanks

[cupcakeskate88]

THANK U SOOOOO MUCH!!!!!!!!!!!!!!