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

The secretion of thyroid hormones is controlled by
How many carbon atoms are there in 3 molecules of CH3F?
What is the relationship between metadata and a file extension? Responses Metadata is composed of extensions. Metadata is composed of extensions. An extension i
Do you think Henry Grady should be honored around Atlanta? 1) Yes 2) No
"We interrupt your regular programming to bring you a special report. This is Carl Sterns, news anchor for Channel 1. Thirty minutes ago, the notorious crime sy
compute. -2.34 + (-6.52)
all of the following are problems for marine organisms Except: turbulence, colder water, less sunlight, weaker currents
How do i write n=600/p-5 inversed?
Write the equation of the line that has a slope of -12 and goes through the point (6,2)?
What are some differences between gay men and lesbians?