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Populaire Word Problems >

when a certain number is subtracted from twice another number the result is 25.when 4 times the firs number is added to the second number the result is 50.find the two numbers

Solution

w h e n a cer t ain n u mb er i s s u b t r a c t e d f ro m tw i ce an o t h er n u mb er t h e res u lt i s 25. w h e n 4 t im es t h e f i rs n u mb er i s a dd e d t o t h e seco n d n u mb er t h e res u lt i s 50. f in d t h e tw o n u mb ers

Solution

The numbers : 8 \frac{1}{3}, 16 \frac{2}{3}

étapes des solutions

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

2 y - x = 25

y + 4 x = 50

2 y - x = 25, y + 4 x = 50 : x = \frac{25}{3}, y = \frac{50}{3}

Convertir des fractions impropres en nombres mixtes:

\frac{25}{3} = 8 \frac{1}{3}

Convertir des fractions impropres en nombres mixtes:

\frac{50}{3} = 16 \frac{2}{3}

The numbers : 8 \frac{1}{3}, 16 \frac{2}{3}

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