Alex and Josh rode bikes. Alex rode 15 miles in 55 minutes. Josh rode 77 minutes at a faster rate per mile than Alex. Find Alex's unit rate in minutes per mile. What is Josh's rate per mile?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.