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315*(1-.3)=original price =220.5
x - 30/100 = 315 x = 315 + 30/100 x = ?
oops I think I did that wrong
how did u get 450 cause i got 409.5
blender is right
x=315/.7 7 into 31 4 times 7*4=28 remainder: 3, drop the 5 7 into 35, 5 times
i am confused
About which part, setting up the equation, reducing the equation, or dividing 315 by .7?
pretty much all of it
Ok we can go through it slowly. First, we now that the product x was reduced by 30%. This means that originally we had some x and muliplied it by .3 to get the discount. Instead of doing this separately, we take 70% of the original x to find the discounted price. So that is .7x, which we know to be equal to 315. Then just divide .7 on each side (remember % is just a fancy way of saying that number per (divided by) cent (100).
Does that make more sense?
yeah now it does
Cool, goodluck with your math final, I gotta go study myself. you can message me on aim (ooblender) if you have any urgent questions.
i have yahoo sorry