mohammed13bamba mohammed13bamba

04-02-2021
Mathematics

contestada

Cynthia can wallpaper a room in 4 hours and her brother can do it in 6 hours. How long would it take them if they work together

Respuesta :

fabykungfu26 fabykungfu26

04-02-2021

Answer:

2 hours and 24 minutes

Step-by-step explanation:

cynthia can wallpaper a room 4 hours with means in 1 hour she can wallpaper 1/4th of the room, her brother can wallpaper the same room in 6 hours so I'm 1 hour he can wallpaper 1/6 of the room.

Answer Link

Otras preguntas

Find the volume of the solid. Use 22/7 for II

Given the following unbalanced equation: K+Cl2 -> KClHow many moles of KCl are produced from 2.50 moles K?

(4, - 1); 3x - 5y = 2How do I get the real answer of this?

Suppose that you borrow $15,000 for 4 years at 5% toward the purchase of your car. use pmt to find the monthly payments and the total interest for the loan

The accompanying table shows the value of a car over time that was purchased for 13700 dollars, where x is years and y is the value of the car in dollars Write

Calculate the torque experienced by the door due to this force using torque is equal to force times lever armLength of the lever arm = 1 mForce = 5 N

I’m stuck on this problem hope someone could help not a test just simple work sheet

I take my calculator from the top of a building and toss it straight upward at 9 m/s from a 23 m tall building.A. what is the speed of the Calculator right befo

The last one! Synthetic division please explain how to do this!!

find the base of the triangle !Area = 48 sq.mHeight = 12 mplease hurry! Thank you!