Question

an airplane travels a distance of 42x^5y^4 miles in 6xy^2 hours. find the average speed of the plane

Answer 1

(42 x⁵ y⁴ miles) / (6 x y² hours) =

(42) · (x⁵) · (y⁴) / (6) · (x) · (y²) =

(42/6) · (x⁵/x) · (y⁴/y²) =

   (7)   ·  (x⁴)  ·  (y²) =  7 x⁴ y²  miles per hour.