JraKaylapoohpeacia JraKaylapoohpeacia

25-02-2017
Mathematics

contestada

Three times the lager of two numbers is equal to four times the smaller. the sum if the numbers is 21. find the number

Respuesta :

Belshazzar007 Belshazzar007

25-02-2017

3x = 4y
X+y = 21

Multiply second equation by 3

3x+3y= 63

Substitute 3x with 4y

4y + y = 21

5y = 21

Y=4.2

X + 4.2 = 21

x= 16.8

Answer Link

Otras preguntas

1. Owen laughed at the bird after it hit the window.

Good day dear friends today I shall need your help, What statement makes the open sentence 12 + 3x = 30 true? Show all work. A. X = 3 B. X = 5 C. X = 11 D. X =

24 La verdad sobre la Alhambra Indica si las siguientes afirmaciones son ciertas (C) o falsas (F). 1. El soldado consiguió su objetivo gracias al estudiante. C

8. Why is the young man cast into prison and appointed for trial in the king's arena?

Which statement can be represented by the equation 18 divided by m = 7.2?

Please I’ll give u brainlesst there is an image attached

At the city museum, child admission is S5.20 and adult admission is $9.50. On Friday, 167 tickets were sold for a total sales of $1255.40. How many adult ticket

Which of the following has electrons in a d orbital? Mg Si Cr Са

Select the statements that are true regarding IP addresses. Check All That Apply assigned to your home network by your ISPassigned to your home network by your

Can someone check my lyrics below. I wrote it new today My new song maybe I think about it, think about it a lot Sometimes I feel it, times I feel it a lot When