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شائع Word Problems >

sum of three numbers is 113. the third number is 7 more than the first. the second number is 4 times the third number. what are the numbers

الحلّ

sequence sum

o f t h ree n u mb ers i s 113. t h e t hi r d n u mb er i s 7 m ore t han t h e f i rs t . t h e seco n d n u mb er i s 4 t im es t h e t hi r d n u mb er . w ha t a re t h e n u mb ers

الحلّ

The numbers : 13, 80, 20

خطوات الحلّ

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 113

z = 7 + x

y = 4 z

x + y + z = 113, z = 7 + x, y = 4 z : x = 13, y = 80, z = 20

The numbers : 13, 80, 20

أمثلة شائعة

The sum of three consecutive numbers is 54. What are the numbers A number is nine times another number. Their sum is 40. What are the numbers?The sum of three numbers is 99. The third number is 4 times the second. The second number is 9 more than the first. What are the numbers?Three numbers are in the ratio 1:3:7. if the sum of the three numbers is 320. what are the numbers?Three sevenths of a number is 24. FInd the number