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

A man and his friend, who were both adults, went to a party. The man and the friend had many drinks at the party and became legally intoxicated. They decided to
A tree 10 meters high casts a 17.3 meter shadow. Find the angle of elevation of the sun. Round your answer to the nearest degree. means having the metry helps u
Two students use different methods to solve this multiplication problem: 1\3 × −6 3\4 Read each of their methods below and then enter numbers to correctly compl
The point $(p,9)$ lies on line $k$ shown here. What is the value of $p$?
You notice the flagpole at school vibrating in the breeze. You count the vibrations and find that the flagpole makes 20 complete vibrations in 10 seconds. You r
A company incurs $2,700,000 of overhead each year in three departments: Ordering and Receiving, Mixing,? and Testing. The company prepares 2,000 purchase orders
Blue Hamster Manufacturing INC, is a small firm, and several of its managers are worried about how soon the firm will be able to recover its initial investment
Assume N securities. The expected returns on all the securities are equal to 0.01 and the variances of their returns are all equal to 0.01. The covariances of t
Find x and y. AB and CD are straight lines.
Please answer this correctly