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Beliebt Word Problems >

A number is 9 less than another number. If their sum is 130, find the two numbers

Lösung

A n u mb er i s 9 l ess t han an o t h er n u mb er . I f t h e i r s u m i s 130, f in d t h e tw o n u mb ers

Lösung

The numbers : 60 \frac{1}{2}, 69 \frac{1}{2}

Schritte zur Lösung

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x = y - 9

x + y = 130

x = y - 9, x + y = 130 : x = \frac{121}{2}, y = \frac{139}{2}

Wandle unechte Brüche in gemischte Zahlen um:

\frac{121}{2} = 60 \frac{1}{2}

Wandle unechte Brüche in gemischte Zahlen um:

\frac{139}{2} = 69 \frac{1}{2}

The numbers : 60 \frac{1}{2}, 69 \frac{1}{2}

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