Abus averages 6 miles per hour faster than a trolley. if the bus travels 90 miles in the same time it takes the trolley to travel 75 miles, then what is the speed of each?

The total number of dental clinics total for the last 12 months was recorded

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.