I’m 2009, a diabetic express company charged $39.95 for a vial of type A insulin and $ 30.34 for a vial of type B insulin. If a total of $1728.42 was collected for 50 vials of insulin, how many vials of each were sold?

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69