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شائع Word Problems >

Find two consecutive integer whose sum is 45

الحلّ

F in d tw o co n sec u t i v e in t e g er w h ose s u m i s 45

الحلّ

The number : 5 or - 4 \frac{1}{2}

خطوات الحلّ

Represent the numbers with

x

:

First number : x

Consecutive number : x + 1

A.T.Q.:

(x + 1) (x + x + 1) = 45

(x + 1) (x + x + 1) = 45

حلّ:

x = 4, x = - \frac{11}{2}

x = 4

استبدل:

5

x = - \frac{11}{2}

استبدل:

- \frac{9}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{9}{2} = 4 \frac{1}{2}

The number : 5 or - 4 \frac{1}{2}

أمثلة شائعة

three more than the quotient of a number and 7 is equal to 6 a number that when decreased by 50% is 40 the sum of 4 times a number and 9 is 7 perimeter of a square is 2sqrt(6). What is the area Liam is older than Chloe. Find Liam's age if the sum of the square of Liam's age and 5 times Chloe's age is 121.