The sum of two numbers is 19. Twice the smaller number is five greater than the larger number. What are the numbers?

解

T h e s u m o f tw o n u mb ers i s 19. Tw i ce t h e s ma ll er n u mb er i s f i v e g re a t er t han t h e l a r g er n u mb er . Wha t a re t h e n u mb ers ?

The numbers : 8, 11

解答ステップ

Represent the numbers with

x and y

number 1 : x

number 2 : y

A.T.Q.:

x + y = 19

2 x = 5 + y

x + y = 19, 2 x = 5 + y : x = 8, y = 11

The numbers : 8, 11