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

In considering the reactions between molecules unique to living systems—carbohydrates, lipids (fats), proteins, and nucleic acids—which molecule does not rely o

use contingency in a sentence

peter bought 6 mangoes at $x each. He also bought a papaya for $5. Express the total cost of the fruits in terms of x.

Suppose there are two known compounds containing the generic elements X and Y. You have a 1.00-g sample of each compound. One sample contains 0.25 g of X and th

Plz help meee :((((((((((((((

EIGHT POINTS. Name some main arguments as to why the confederate statues should be removed. Please, be detailed, make your response long, and make your informat

The perimeter of a patio is 64. The width of the patio is 12 feet and the length of the patio is (×+6) feet. What is the length of the patio?

four workers are hired to weed a field by hand. each is given a plot which is 10 x 7 ft in size. what is the total area of the field?

I gave 3 packs of baseball cards to my friends. Each friend got 1/3 of a pack. How many friends got baseball cards

Productive use of machinery on a farm made it possible to decrease the number of tractors by 12 how many tractors does the farm have now if it used to have 1.5