Harriet has $616 to buy desks for a new office. she needs 15 desks in all, and decides to buy 2 types of desks. type a desks costs $42 and type b desks cost $40. how many desks of each type can harriet buy?

The unpaid balance on a mastercard charge was $1,056.23. during the month, payments of $300 and $250 were made and charges of $425 and $274.16 were added. if the finance charge is 1.2% per month on the unpaid balance, find the new balance at the end of the month. $1,205.39 $1,218.06 $918.06 $1,768.06