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Популярное Word Problems >

the sum of two numbers is 45. four times the smaller number is 23 more than three times the larger number. find the numbers

Решение

t h e s u m o f tw o n u mb ers i s 45. f o u r t im es t h e s ma ll er n u mb er i s 23 m ore t han t h ree t im es t h e l a r g er n u mb er . f in d t h e n u mb ers

Решение

The numbers : 22 \frac{4}{7}, 22 \frac{3}{7}

Шаги решения

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 45

4 x = 23 + 3 y

x + y = 45, 4 x = 23 + 3 y : x = \frac{158}{7}, y = \frac{157}{7}

Преобразуйте неправильные дроби в смешанные числа:

\frac{158}{7} = 22 \frac{4}{7}

Преобразуйте неправильные дроби в смешанные числа:

\frac{157}{7} = 22 \frac{3}{7}

The numbers : 22 \frac{4}{7}, 22 \frac{3}{7}

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