lilaaaaaaaaaisdabest
lilaaaaaaaaaisdabest lilaaaaaaaaaisdabest
  • 14-06-2022
  • Mathematics
contestada

A girl can do her homework in 1.5 hours. How long would It take her twin brother to do the same homework alone if together they do it in 40 minutes?

Respuesta :

ooblecksrm ooblecksrm
  • 14-06-2022

Answer:

72 minutes

Step-by-step explanation:

in minutes,

1/90 + 1/x = 1/40

x = 72

Answer Link

Otras preguntas

Which of Hubble’s discovery support the Big Bang theory
Dan has the same number of nickels and dimes in his piggy bank. If the total amount of those coins is $0.90, how many of each coin does he have?
!!!!!!!@&$(;577(:(:/-:567&’njjjjjjjjjjj
PLS HELP SHOW ALL YOUR WORKING OUT BRAINLIEST
What’s the point of life
Read this passage from “The Turtle.” What is the significance of the turtle’s actions in the sentences in bold in the context of the passage? He (the turtle) c
Express the shaded area as a fraction, a decimal, and a percent of the whole.​ please help me
What is the solution for the system of equations {9x+8y=3 6x−12y=−11?
What are the minimum, first quartile, median, third quartile and maximum of the data set 3,5,7,8,12,13,14,18,21
Rewrite this radicand as two factors, one of which is a perfect square. √60