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

03-01-2018

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

Answer Link

Otras preguntas

what is the value of 21 + 12-(35-8) times 3?

why did the plains indians resent settlers heading west?

True or False? If aortic pressure increased above normal values, the left ventricle would need to generate even more pressure to ensure blood flow through the s

Would love it if you could teach me.

WHOEVER ANSWERS THIS RIGHT IN 3 MINS GETS BRAINLIEST!! The coordinates of a quadrilateral are (1, 2), (4, 2), (1, 4), and (4, 4). After a transformation, the ne

In Kravonia, the average salary for jobs requiring a college degree has always been higher than the average salary for jobs that do not require a degree. Curren

Three Carnot engines operate between the following temperature limits. a) 400 and 500 K b) 500 and 600 K c) 400 and 600 K Each engine extracts the same amount o

The U.S. Census bureau has a population clock on the internet On a resent day the United States population was listed as 310,763,136 write this number in word

Categorize these measurements associated with student life according to level: nominal, ordinal, interval, or ratio. (a) Length of time to complete an exam nom

A collection is a container object (data structure) that represents a group of objects often referred to as data or elements of the collection TRUE FALSE