nabihaaaa12 nabihaaaa12

21-08-2021
Mathematics

contestada

Two numbers are in the ratio 1:2. If 7 is to be added to both, then ratio changes to 3:5, find the numbers

Respuesta :

Аноним Аноним

21-08-2021

Let numbers be x and 2x

ATQ

[tex]\\ \rm\longmapsto \dfrac{x+7}{2x+7}=\dfrac{3}{5}[/tex]

[tex]\\ \rm\longmapsto 5(x+7)=3(2x+7)[/tex]

[tex]\\ \rm\longmapsto 5x+35=6x+21[/tex]

[tex]\\ \rm\longmapsto 6x-5x=35-21[/tex]

[tex]\\ \rm\longmapsto x=14[/tex]

2x=2(14)=28years

Answer Link

Otras preguntas

PLEASE HELP I GIVE THANKS

What two incidents led to the Spanish-American War?

Which statement explaining Constantine's choice of Byzantium as his new capital is not correct? A. It contained the tombs of Jesus, Peter, and several other Chr

What was the Ottoman Empire known for? A) Shahs there supported the arts B) People there experienced cultural and religious toleration C) The empire was ruled w

After the stock market crash, banks A. lost money and closed. B. extended more loans. C. became government run entities. D. insured savings accounts.

Which term defines a power equally shared by state and federal governments

what is this im horrible in government???? Maintaining a competitive business environment is an important role of __________ in the economy. A. corporations B.

Which American politician enthusiastically supported going to war against Mexico? A. Henry Clay B. Abraham Lincoln C. Henry David Thoreau D. James Polk

Which two women were associated with the National Woman’s Suffrage Association? Ida B. Wells & Lucy Stone Susan B. Anthony & Elizabeth Cady Stanton Alic

Mark all of the following statements if it is a Hebrew belief. A. God knows all things. B. God is fair and just and cares deeply for people. C. God does not hav