The product of two consecutive numbers is ninety. what are the numbers

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

7x+8y=-18, 4x-9y=-3 solve the system of equations

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?