lanashanabJHsbd8821 lanashanabJHsbd8821

04-06-2020
Mathematics

contestada

I am a three-digit number. My second digit is 4 times bigger than the third digit. My first digit is 3 less than my second digit. Who am I?

Respuesta :

maempress maempress

05-06-2020

Answer:

285

Step-by-step explanation:

use algebra

third is x

second is 4x

first is 4x-3

x+4x+4x-3

9x-3 = x+x+1+x+2

9x-3=3x+3

12x=6, divide x=2

third is 2, sec is 8, first is 5

Answer Link

Otras preguntas

Plantations were important to the cultural development of which region of northeastern Mississippi? Black Prairie s Flatwoods Pontotoc Ridge Tombigbee Hills Sav

A record of a particular event told by someone who witnessed it is a(n) A. essay B. article C. autobiography D. personal account

nth term for 300,250,200

What is the equation of a line parallel to y=(3)/(4)x-5 and passes through (12,-2)?

What is the average rate of change for this quadratic function for the interval from x = 2 to x = 4? -5 5 10 -10- -15-

Li-Young is writing a suspense story for a local summer camp’s evening fireside program. This is his first paragraph. The old house next door had been empty for

Bailey went out to dinner. It cost $ 45.00. He wanted to leave a 20% tip for his waitress. Find the tip.

please help the subject is exterior angles(triangles)

wood is a better insulator than glass so why is fiberglass commonly used as an insulator in wooden buildings why?

Find the measure of side b