Jack and fred have to do a certain job. if jack works alone he can finish the job in 3 hours. if fred works alone he can finish the job in y hours. the two of them can finish the job in 2 hours if they work together. what is the value of y?

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