Porygonx100 Porygonx100

02-03-2016
Mathematics

contestada

Bob is three times as old as Peter. If the sum of their ages is 56, how old is Bob?

Respuesta :

hworonie hworonie

02-03-2016

let x=peter's age
let 3x=bob's age

3x+x=56
4x=56
x=14

3(14)=42
Bob is 42 years old.

Answer Link

Otras preguntas

Toys R Us is having a 38% off sale on all of their backpacks. Ifa backpack normally costs $22.00, how much will it be on sale?

4/5 , 0.66 , 0.86 , 84% least to greatest

Which of the following bond is considered to be ionic, and explain why: C—O, Ca—CL, S—N and Si—O

What was a major historical claim to Oregon by the United States A) The American army established forts along the regions major rivers by 1800 B) Zebulon Pike

3x + 2y = 8 4) slope = y-intercept =

In the video you just watched, what is the main idea that President Obama is trying to communicate? Manufacturing is declining, and the United States needs to t

According to Mr. Frank, how did Anne feel in the concentration camp in Holland? afraid of the Nazi soldiers fatigued from the hard labor duties Osad to be apart

3. How much work is done on a small car if a 3150 N force is exerted to move it 75.5 m to the side of the road?

The structure below is used in agriculture. What could be a benefit of this technology?

Write the equation of the line that passes through the points (0, -5) and (4.3)