If they work together, Mark and Yvonne can sort 50 library books in 1.5 hours. Working alone, it would take Yvonne 5 hours to do the same job. How long would it take Mark if he worked alone? Express your answer inhours and minutes.

What two consecutive odd integers have a sum of -28

Your client has saved $1,860 for a down payment on a house. a government loan program requires a down payment equal to 3% of the loan amount. what is the largest loan amount that your client could receive with this program

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days