starprincessbianca starprincessbianca

03-04-2020
Mathematics

contestada

It takes 36 minutes for 7 people to paint 4 walls. How many minutes dose it take for 9 people to paint 7 walls?

Respuesta :

gavin3458128637839 gavin3458128637839

03-04-2020

4 walls need 262 people/minutes (7)(36)
1 wall takes 63 people/minutes (262/4)
7 walls need 441 people/minutes (63)(7)
9 people could do that in 49 minutes (441/9)

Answer Link

Otras preguntas

Dakota has four yardsticks and two 12-inch rulers.If she lays all four of the yardsticks and both rulers end-to-end,what is the maximum number of feet she can m

Which is an abiotic factor that can be found in a rain forest ecosystem?

differentiate between soft copy output and hard copy output?

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?$\begin{align*}&-x^2 + 18x + 81 \\&

Which of the following statements is true?

Solve the following system of equations. -7x+5y=-11; -4x+3y= -7

28.6% of city employees ride the bus to work.Last year,29.7% of city employees rode the bus to work.What is the relative change from last year to this year

Which of the following pairings of the regions of India with the foods and dishes is incorrect? O West: beef, pork vindaloo, salad rolls, naan -south North: lam

Is killing someone always illegal ? reveal your opinions from the eyes of morality .

1. risks are only in a person's mind with no firm facts to back them up. Imagined Positive Negative Harmful