In any city in 2014 80 kg, Chinese cabbage cost was decreased by 2a% in early 2012, in early 2013 cost was increased by a%. In early 2013 80kg of Chinese cabbage was early 2012 80 kg. How many times did cost of 2012 80 kg Chinese cabbage and 2013 80 kg Chinese cabbage? choices:
1. 2 times
2.1/2 times
3.10-a/10+2a times
4.100-2a/100+a times
5. 100+2a/10-2a times

Step by step
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0.02040816326

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%