sanchezjessica123 sanchezjessica123

02-03-2020
Mathematics

contestada

A is now 4 times as old as B. Five years ago the sum of their ages was 45 years. How old is each?

Respuesta :

Danboghiu66 Danboghiu66

02-03-2020

a=4b

(a-5)+(b-5)=45

4b-5+b-5=45

5b=55

b=11

a=44

Answer Link

Otras preguntas

on a scale from 1-10 one being the sucks and 10 being the yay how would you rate yourself? i am bored

In North Carolina what is the maximum speed to drive on a roadway

How was Germany divided initially after World War 2?

How does the fossil record support the evolutionary theory? a. it shows that organisms haven’t changed over the course of Earth’s history b. it shows the slow

Which of the following equations describes the graph?

Select a setting so that each given point will lie within the viewing window. (-13,3), (0,0).(-2,-7)

Volume of a triangular prism

what does the phrase "there are more ways of killing a cat than by choking it with cream" mean as used in paragraph 12, and how does it relate to the story's me

I would like some help please.

With individual lines at the checkouts, a store manager finds that the standard deviation for the waiting times on Monday mornings is 5.7 minutes. After switchi