he

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

פּוֹפּוּלָרִי Word Problems >

The sum of two numbers is four times their difference. The smaller of these numbers is 15 What is the greater number?

פתרון

T h e s u m o f tw o n u mb ers i s f o u r t im es t h e i r d i ff ere n ce . T h e s ma ll er o f t h ese n u mb ers i s 15 Wha t i s t h e g re a t er n u mb er ?

פתרון

The number : 9

צעדי פתרון

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 4 (x - y)

x = 15

x + y = 4 (x - y), x = 15 : x = 15, y = 9

The number : 9

דוגמאות פופולריות

A circle has a circumference of 14cm.What is its exact diameter?Three less than two times a number is less than eight a positive integer is twice another. The sum of the reciprocals of the two positive integers is 3/14 find the two integers Three more than seven times a number is nine more than five times the number The initial population of a small town was 2.53 thousand. The population grows at a rate of 2.15% each year. After how many years will the population have doubled?