de

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Beliebt Word Problems >

the sum of three numbers is 105. the second number is 4 times the third. the first number is 9 less than the third. what are the numbers

Lösung

t h e s u m o f t h ree n u mb ers i s 105. t h e seco n d n u mb er i s 4 t im es t h e t hi r d . t h e f i rs t n u mb er i s 9 l ess t han t h e t hi r d . w ha t a re t h e n u mb ers

Lösung

The numbers : 10, 76, 19

Schritte zur Lösung

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 105

y = 4 z

x = z - 9

x + y + z = 105, y = 4 z, x = z - 9 : x = 10, y = 76, z = 19

The numbers : 10, 76, 19

Beliebte Beispiele

28% of what number is 21 Max had 20 apples, he ate 10 apples, how many apples does he have left Sandeep is saving up money to buy a car. Sandeep puts 8,401.00 into an account which earns 7% interest, compounded monthly. How much will he have in the account after 5 years?if the coin tossed 4 times in a row. what is the probability that no tail shows up Ngoc invests 13,000 at 12% simple interest for 1 year. How much is in the account at the end of the 1 year period?