Mario and Kenneth work in a car wash station. The time that Mario takes in washing a car alone is 20 minutes less than the time that
Kenneth takes in washing the same car. If both of them work together
in washing the car, it will take them 90 minutes. How long will it talo
each of them to wash the car?

umm idk do you know? cause I dont

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40