jackawillis jackawillis

21-03-2021
Mathematics

contestada

Sally can paint a room in 8 hours while it takes Steve 6 hours

Respuesta :

22-03-2021

Answer:

Step-by-step explanation:

Sally paints ⅛ of a room per hour.

Steve paints ⅙ of a room per hour.

Working together, they paint ⅛ + ⅙ = 7/24 of the job per hour, finishing in 24/7 hours.

Answer Link

Otras preguntas

I am greater than 4 tens and less than 5 tens I have 9 ones what number am I?

Which two numbers add up to ___ and multiply to ___?can you help me with all of these?1. multiply to -18 add to -172. multiply to 36 add to -133. multiply to -2

four ways that bacteria are helpful to people.

solve each equation 1) log5-log2x=1 2) 2log(x+1)=5

A beam of light has a wavelength of 506 nanometers. What is the frequency of the light? What colors is the light?

As mentioned in the video, the traditional bartering system is replaced with a more sophisticated system that relies on a.currency. b.item exchange. c.Inherited

Use the form y=mx +b for linear equations. Write the equation for the following relation. A = {(x, y): (1, 2), (2, 5), (3, 8), . . .}

From a set of eight marbles, five red and three white, we choose one at random. What are the odds in favor of choosing a red marble?

Who were the first five presidents and what did they do?

What value of m will make 4x-7y=5 and 9x+my=3 parallel?