3. Total surplus for a good in equilibrium is 500 and producer surplus is 100. What is
consumer surplus?

Suppose the probability of selling a car today is 0.28. find the odds against selling a car today.

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?