Garbage generated in one area is 6.259 * 10 to the tenth power. the countries population is 3.43* 10 to the seventh power. what is the amount of garbage per person

Andrea went to the store to buy sweater that was on sale for 40% off the original price it was then put on clearance an additional 25% off the sale price she also use a coupon that saved her an additional five dollars and j did not spend more than $7.60 for the sweater what are the possible values for the original price of the sweater?

Given the choice between receiving $1.000.000 in one month or a single penny-doubled everyday for the period of one month; which option would you choice? show your work to support your answer. (assume that 1 month=30 days)

The sum of two numbers is 86, and their difference is 20. find the two numbers