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

What Are the Arts and How do We Respond to and Evaluate Them?

What argument best responds to citizens who do not vote because they feelthat no political candidates speak for them?OA. Political parties will learn from the l

Only financial institutions can purchase treasury bonds? True or false

what are the first cells to arrive at a bacterial infection

What is the following sum in simplest form sqrt8+3sqrt2+sqrt32 please HURRY

Choose the punctuation mark that should follow the last word of each sentence. You have heard a surprising piece of news about a large company in your communi

What is the following product? 3sqrt4 * sqrt3

Use the substitution method to solve the system of equations write your answer as an ordered pair Y=x-2 and y=-2x+7

find the value of this expression if x=-7 and y=-2. xy/9

According to Le Chatelier’s principle, what happens when the concentration of reactants is doubled in a chemical reaction that was in equilibrium? The equilibri