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Beliebt Word Problems >

The sum of three integers is 37. The sum of the first and second integers exceeds the third by 45. The third integer is 20 less than the first. Find the three integers.

Lösung

T h e s u m o f t h ree in t e g ers i s 37. T h e s u m o f t h e f i rs t an d seco n d in t e g ers e x cee d s t h e t hi r d b y 45. T h e t hi r d in t e g er i s 20 l ess t han t h e f i rs t . F in d t h e t h ree in t e g ers .

Lösung

The numbers : 11 \frac{2}{3}, 33 \frac{2}{3}, - 8 \frac{1}{3}

Schritte zur Lösung

Represent the numbers with

x, y, z

:

number 1 : x

number 2 : y

number 3 : z

A.T.Q.:

x + y + z = 37

x + y = \frac{1}{3} + 45

z = x - 20

x + y + z = 37, x + y = \frac{1}{3} + 45, z = x - 20 : x = \frac{35}{3}, y = \frac{101}{3}, z = - \frac{25}{3}

Wandle unechte Brüche in gemischte Zahlen um:

\frac{35}{3} = 11 \frac{2}{3}

Wandle unechte Brüche in gemischte Zahlen um:

\frac{101}{3} = 33 \frac{2}{3}

Wandle unechte Brüche in gemischte Zahlen um:

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

The numbers : 11 \frac{2}{3}, 33 \frac{2}{3}, - 8 \frac{1}{3}

Beliebte Beispiele

the square root of four more than twice a number The kreisumfang of a circle is 20pi in. What is the area, in square inches? Express your answer in terms of 4 less than a number.What is the radius of a circle with a durchmesser of 4 15 is 40 percent of what number