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Популярное Word Problems >

The sum of two number is 25. Twice the bigger number is three times the smaller number. What is the bigger number?

Решение

T h e s u m o f tw o n u mb er i s 25. Tw i ce t h e bi gg er n u mb er i s t h ree t im es t h e s ma ll er n u mb er . Wha t i s t h e bi gg er n u mb er ?

Решение

The number : 15

Шаги решения

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 25

2 x = 3 y

x + y = 25, 2 x = 3 y : x = 15, y = 10

The number : 15

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