An article is sold for Rs 260 at a gain. Had it been sold for Rs 200 there would have a loss equal to 50% of the original gain, find the cost price of the article.

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?