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

How did Niccolo Machiavelli’s book The Prince set him apart from other writers of the Renaissance?
Choose the more precise measurement in the pair.  A .) 6.7 mi or  B.) 6 mi
if Xx8=y is the rule,and the value of x is 4, what is the value of y
What's the other word speaking in circles; round-about speech
What's the word for to talk on and on pointlessly, without clear direction
Choose the more precise measurement in the pair.  A .) 6.7 mi or  B.) 6 mi
What's the other word stubborn; inflexible
Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is used in molecular clocks to determine which of the follow
What is the answer to 12-2x6+2/2
Heat is released when H2 gas and O2 gas react to form H2O. Why? A. Breaking the H–H bond in H2 gas releases heat. B. Breaking the O–O bond in O2 gas releases he