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

Ethan nedelmann argues that drugs should be legalized because?

A moving company had one sixth of a ton weight to move across town. If they wanted to split it equally amongst 4 trips, how much weight would they have on each

If Tom, George and Mario work together, they can paint a 600 ft2 room in 4 hours. When only George and Mario work together, it takes 8 hours to paint the room.

A family with a young son decides to move from a poor, inner-city neighborhood to a small town because their first-grade son is wanting to dress like the "gangs

I WILL GIVE 100 POINTS IF YOU CAN HELP ME ANSWER THIS CORRECTLY!!!!!! Use the quote below to answer the following question: "Being good as a son and obedient as

why did Egypt decide to seize the canal? to become more imperialistic to protect its independence and liberty to win an alliance with the United States to win

Who built forts on land claimed by Virginia, prompting the first battles of the french and Indian War

Mike is looking for a loan. He is willing to pay no more than an effective rate of 8.000% annually. Which, if any, of the following loans meet Mike’s criteria?

when do you repay money granted through a scholarship?

A compound consists of 72.2% magnesium and 27.8% nitrogen by mass. what is the empirical formula