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

Lời Giải

Lời Giải

The number : 5

Các bước giải pháp

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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