rafael2428 rafael2428

02-11-2021
Chemistry

contestada

The sum of three numbers is 68. The first number is 7 less than the second. The third number is 3 times the second. What are the numbers ?

Respuesta :

rosetiwaa277 rosetiwaa277

02-11-2021

Answer:

8,15 and 45 respectively

Explanation:

let x be the second number

x-7 = the first number

3x= the third number

x-7+x+3x=68

5x-7=68+7

5x=68+7

5x=75

divide both side by 5

x=15

Ver imagen rosetiwaa277

Answer Link

Otras preguntas

What words can be spelled with the letters s,k,a,a,o,o,l?

PLEASE HELP f ( x) = 4 / 3 x - 9 I need the functions to graph

What branch of government is the department of health and human services?

Can someone help me with Algebra 2? A solution of the equation ƒ(x ) = g(x ) is the same as (select all that apply) The x-value of a solution to the system of

The sales tax in one state is 5% write a function rule for finding the total cost of and item with selling price

Outside france, hector berlioz enjoyed a great career as

Find the terminal point on the unit circle determined by 5pi/4 radians

The phrase "ability to do work" is a definition of

What were the key factors behind google's early success?

A substance that is capable of acting as both an acid and as a base is ________.