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受欢迎的 Word Problems >

The greater of 2 numbers is 15 more than the lesser number . 5 times the greater number is 40 more than 12 times the lesser numbers . What is the lesser number

解答

T h e g re a t er o f 2 n u mb ers i s 15 m ore t han t h e l esser n u mb er . 5 t im es t h e g re a t er n u mb er i s 40 m ore t han 12 t im es t h e l esser n u mb ers . Wha t i s t h e l esser n u mb er

解答

The number : 5

求解步骤

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = 15 + y

5 x = 40 + 12 y

x = 15 + y, 5 x = 40 + 12 y : x = 20, y = 5

The number : 5

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