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's the value of the product (3-2i)(3+2i)
How can ones external factors affect ones sense of identity
What is 9/16 closest to 0,1/2, or 1 and why?
Write each rational numbe as a fraction
What percent of 300 is 36?
last Saturday, the movieplex theater sold 1456 tickets. the theater sold 6 times as many regular-price tickets as it sold discount tickets. earl says that the e
What are all of the powers of 3 between 3 and 1,000?
is 2/9 closest to 0 1/2 or 1
What accounts for why the Soviet Union decided to formalize its East European alliance through the Warsaw Pact? to convince the world that communism was the bes
What are the 4 types of processes that cycle matter through the biosphere give examples?