Which one is it in the question

A scientist builds a Mars rover that can travel 4.9 centimetres per second on flat ground if the rover continues at the the same rate how many cemeteries will it travel in 15 1/2 seconds

Math Water park the total entrance fee for a group of 4 adults and 3 children to a water park is $220

Are you fucking kidding me useless app

Mario travels 180 miles in 2.5 hours. If Mario travels at the same rate, how far can Mario travel in 7.5 hours.