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شائع Word Problems >

The sum of three numbers is 137 . The second number is 4 more than two times the first number. The third number is 5 less than three times the first number. Find the three numbers

الحلّ

T h e s u m o f t h ree n u mb ers i s 137 . T h e seco n d n u mb er i s 4 m ore t han tw o t im es t h e f i rs t n u mb er . T h e t hi r d n u mb er i s 5 l ess t han t h ree t im es t h e f i rs t n u mb er . F in d t h e t h ree n u mb ers

الحلّ

The numbers : 23, 50, 64

خطوات الحلّ

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 137

y = 4 + 2 x

z = 3 x - 5

x + y + z = 137, y = 4 + 2 x, z = 3 x - 5 : x = 23, y = 50, z = 64

The numbers : 23, 50, 64

أمثلة شائعة

The sum of three consecutive integers is 162 . What are the integers? The first integer is st number decreased by a second number is-30 . The first number increased by twice the second number is 4 .nine subtracted from the product of 2 and a number is 17 If 2500 is invested in an account that pays interest compounded continuously, how long will it take to grow to 5000 at 3.75%?George is 7 years older than Dallas. In 7 years the sum of their ages will be 63. How old is George now? years old