Question 338251
each one paints a FRACTION of the court , based on their individual rates
___ the fractions sum to 1 (the whole court)


let x="combined time"


(x/8) + [x/(8+2)] = 1 ___ (x/8) + (x/10) = 1


multiplying by 40 (LCD) ___ 5x + 4x = 40 ___ 9x = 40


dividing by 9 ___ x = 40/9


4 hr 26 min 40 sec