gatsbysgirl324 gatsbysgirl324
  • 03-01-2018
  • Mathematics
contestada

Sam is 5 years old. his older brother, tom, is three times as old as sam. when sam is 20, how old will tom be? 15

Respuesta :

mathildaramaqap1ywpc
mathildaramaqap1ywpc mathildaramaqap1ywpc
  • 03-01-2018

[tex]5 + 3x = 20 \\ 3x = 20 - 5 \\ x = 15 \div 3 \\ x = 5[/tex]
Answer Link

Otras preguntas

What colors of light are combined in a television to produce thousands of different colors?
Why did most people within the byzantine and persian empires accept islam so easily?
You get a paycheck every 2 weeks your annual salary is $39,000. Can you get the same amount for each paycheck?explain why or why not
Identify the following. Where is he going? fragment simple sentence complex sentence
Why 4/10 is equivalent 4/100
What is the value of 5,sixths divided by 3,sevenths?
The fall of Tenochtitlán in 1521 was significant because
55/100 in simplest form
How did The Renaissance pave the way for the Scientific Revolution
About the earth in french