Lower bound of 58.4 and upper bound of 58.4

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =