pahola1515 pahola1515

24-02-2018
Mathematics

contestada

Batman is 4 times Robins age . The sum of their ages is equal to 45. How old is Batman and Robin?

Respuesta :

creeds25 creeds25

24-02-2018

Let age of Robins=r
Then age of Batman =4r
Sum of ages=45
r+4r=45
5r=45
r=9
Age of Robin= 9 years
Age of batman=4(9)= 36 years

Answer: Robin is 9 years old and Batman is 36 years old.

Answer Link

zrh2sfo zrh2sfo

24-02-2018

Robin is x Batman is 4x
sum is 5x and it equals 45
Robin is 9 (x) and Batman 36

Answer Link

Otras preguntas

An objects speed can be modeled with the equation s=24(1.06)^t where s represents its speed in miles per hour and t represents the amount of time that has passe

what is the current state of relations between the communists and nationalists in china

Find the area of the polygon with vertices of A(0,1), B(0,5), C(4,5), and D(6,1).

A student is asked to solve the equation below and to justify her/his steps. Identify what, if anything, is incorrect in her/his math or justification. z – 3 =

How can you narrow down ideas for a topic?

Which factor contributed to planters using enslaved Africans as a labor source? Select the best answer from the choices provided. A. Caribbean plantations grew

Why do you think the colonists at first created such a weak central government?

What historic claim do both Palestinians and Jews make to the land of Palestine?

how many solutions are there to the equation 12x 6=5x

Ron, Andrea, and Tarique are a group of students who evaluated another student’s story. Each of them read the story and wrote comments. What are the students do