princessbubblegum608
princessbubblegum608 princessbubblegum608
  • 20-07-2021
  • Mathematics
contestada

x: (x + 4) = 3:5 Work out the value of x.​

Respuesta :

jimrgrant1 jimrgrant1
  • 20-07-2021

Answer:

x = 6

Step-by-step explanation:

Expressing the ratio in fractional form

[tex]\frac{x}{x+4}[/tex] = [tex]\frac{3}{5}[/tex] ( cross- multiply )

5x = 3(x + 4) ← distribute

5x = 3x + 12 ( subtract 3x from both sides )

2x = 12 ( divide both sides by 2 )

x = 6

Answer Link

Otras preguntas

The sales tax on a $350 computer is $22.75. Find the sales tax rate.
If it takes 4 people 60 minutes to paint 8 walls, how long will it take 5 people to paint 4 walls?
The sales tax on a $350 computer is $22.75. Find the sales tax rate.
Tickets to the movies cost $12 for adults and $8 for children. A group of 14 people went to the movies, and the tickets cost $136. The system of equations model
What is the answer to the equation -2x-8=-10
A store is having a sale on where movies are 15% of their original price. A movie is on sale for $22.10. What is the original price of the movie?
Why did Osama bin Laden declare war on the United States?
What is the difference between 'current' and 'actual' ?
How do I solve fro r and q? 9r+q=13 3r+2q=-4
Explain how the Richter scale and the modified mercalli intensity scale are different