TheUnknownGod TheUnknownGod

07-08-2017
Mathematics

contestada

The sum of one fifth of a number and three is equal to half of the number. what is the number? A.5. B.10. C.15 D.20

Respuesta :

musiclover10045 musiclover10045

07-08-2017

1/5x +3 = 1/2x

x/5+3 = x/2

x/5-x/2 +3 =0

2x/10-5x/10 +3 =0

-3x/10 + 3=0

-3x/10 has to equal -3

-3 * x = 30

x=10

Answer Link

Ilyes39 Ilyes39

07-08-2017

The statement correct is: B.10.

Answer Link

Otras preguntas

Which substance—wood or steel—is the better conductor? A conductor is a material that requires very little heat energy to experience a change in temperature. Ex

A man travels for 6 hours at a rate of 50 miles per hour. His return trip takes him 7 1/2 hours. What is his average speed for the whole trip?

A sound wave travels at 330 m/sec and has a wavelength of 2 meters. Calculate its frequency and period.

A sound wave travels at 330 m/sec and has a wavelength of 2 meters. Calculate its frequency and period.

A man travels for 6 hours at a rate of 50 miles per hour. His return trip takes him 7 1/2 hours. What is his average speed for the whole trip?

Which of the following was NOT true of the British position in the American Revolution? (A) The war was unpopular in Great Britain. (B) The hit-and-run tactics

Which of the following types of algae would be predominantly green in color? a. chlorophyta b. chrysophyta c. phaeophtya d. rhodophyta

The border states that remained in the Union were (A) Ohio, Indiana, and Illinois (B) Tennessee (C) Kentucky and Missouri (D) Delaware, Maryland, Kentucky and M

The border states that remained in the Union were (A) Ohio, Indiana, and Illinois (B) Tennessee (C) Kentucky and Missouri (D) Delaware, Maryland, Kentucky and M

Which of the following was NOT true of the British position in the American Revolution? (A) The war was unpopular in Great Britain. (B) The hit-and-run tactics