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

A restaurant chain would like to measure the proportion of customers who are generally satisfied with the service provided by its staff. At the end of the meal,

What are all the characters in the novel the cradle by Patrick Somerville

Andrew spent $80 on travel last month. Work out the amount Andrew spent on household bills last month. Will give brainliest

Select the true statement about arbitration as a conflict resolution technique. A.The arbitrator must be a legal professional or expert on the topic of the disa

how long do we have until climate change is irreversible

Cellular network towers are configured in such a way so that they avoid what type of problem?

14. Circle the main motive. What variation technique is used to develop the motive in measures 17 - 20?

a gardener makes a new circular flower bed. the bed is ten feet in diameter. calculate the circumference and the area of the circular flower bed

John and Marissa purchase their first home for $120,000. They must put 15 percent down on the purchase price as a down payment. What will the amount of the down

What is the solution to this inequality? −15x>75 x<−5 x>−5 x≥−5 x≤−5