schoolshard schoolshard

03-05-2016
Mathematics

contestada

Lyle can paint a room in 3 hours. Selena can paint a room with the same dimensions in 2 hours. If they work together, how many hours does it take them to paint the room? Round your answer to the nearest tenth?

Respuesta :

austinmcdowell austinmcdowell

03-05-2016

The rate at which they paint together is 1 room per two hours plus one room per three hours. (1/2)+(1/3) = (3/6)+(2/6) = (5/6) hours, or 50 minutes.

Answer Link

Otras preguntas

A bag of balls is given to you which has 3 red balls, 4 green balls, 2 orange balls and 6 white balls. What is probability of picking a green ball

Suppose the interval [negative 3−3,negative 1−1] is partitioned into nequals=44 subintervals. What is the subinterval length Upper Delta xΔx? List the grid

Which statement is true?a. The process of differential reinforcement produces response differentiation.b. Melania has been working with a boy to shape his handw

Which expression is equivalent to 8√6a √14b √48c √96d √384

Almost Done with this quiz I just need help on this one (math problem)

Suppose that the United States and Canada both produce only two products, televisions and food. The United States can produce 100 televisions a day, 150 pounds

Which equation has solutions X=1 plus or minus square root of five

4 lines are shown. 3 lines intersect and extend from one point forming 2 angles. The top angle is labeled 1 and the bottom angle is labeled 2. A fourth line int

Turnbull Co. is considering a project that requires an initial investment of $1,708,000. The firm will raise the $1,708,000 in capital by issuing $750,000 of de

1.Find the other endpoint of the line segment with the given endpoint and midpoint. Endpoint 1: (−9,8) Midpoint: (2,−1) 2.Find the other endpoint of the line se