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شائع Word Problems >

five times a number,subtracted from twenty,is triple the number

الحلّ

f i v e t im es a n u mb er, s u b t r a c t e d f ro m tw e n t y, i s t r i pl e t h e n u mb er

الحلّ

The number : 2 \frac{1}{2}

خطوات الحلّ

Represent the number with

x

A.T.Q.:

20 - 5 x = 3 x

20 - 5 x = 3 x, x

حلّ لـ:

x = \frac{5}{2}

حوّل من كسر تخيّليّ لعدد مختلط:

\frac{5}{2} = 2 \frac{1}{2}

The number : 2 \frac{1}{2}

أمثلة شائعة

The sqrt(51) is between which two positive consecutive integers the sum of two numbers is 21. twice the smaller number is three more than the larger number the circumference of a circle is 19pi cm. what is the area in square centimeters in terms of pi Sam bought a suit on sale for 237.60 . This price was 67% less than the original price. What was the original price?The diameter of a circle is 5 ft. Find the circumference to the nearest tenth.