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Beliebt Word Problems >

Two numbers have a sum of 21 and a differenz of 9. Find the smaller number.

Lösung

Tw o n u mb ers ha v e a s u m o f 21 an d a d i ff ere n ce o f 9. F in d t h e s ma ll er n u mb er .

Lösung

The smallest number : 6

Schritte zur Lösung

Represent the numbers with

x and y

:

number 1 : x

number 2 : y

A.T.Q.:

x + y = 21

x - y = 9

x + y = 21, x - y = 9 : x = 15, y = 6

Select the smallest solution:

6

The smallest number : 6

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