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

In what way did renaissance thought contribute to the age of exploration?
Please help click on the image below
y = 2 - 6x 1/2y - x = 1 A) (0, 2) B) (2, 0) C) (0, 0) D) (0, -2
A city planner needs to make a model of the city. In real life, the tallest tree in the city is 40 feet tall. The shortest tree in the city is 4 feet tall. If t
Two substance useful because of their viscosity
Help me please!!!!!!!!!!!!!!!!!!!!
How long does it take for earth to make one rotation on its axis?
n - 6.47 = 4.32 What does "n" stand for?
Kiera's dance class starts at 4:30pm and emds at 6:15pm how long is her dance class
Read the prologue for act II of William Shakespeare's play Romeo and Juliet: CHORUS: Now old desire doth in his death-bed lie, And young affection gapes to be