TheUnknownGod
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 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 Ilyes39
  • 07-08-2017
The statement correct is: B.10.
Answer Link

Otras preguntas

You want to buy some beans. A 9-ounce package costs $2.79. A 16-ounce package costs $5.12. A 24-ounce package costs $7.20. Which package is the best buy? A.
can someone step by step explain the answer to me please and thank u
Can some pls help me with this problem?
evaluate 6 squared - 9 / X when x equals 3
the bag is not big ________ to hold the clothes is it enough very or too​
a stranger dressed in a dark cloak came into the village and entered the house of isabel whose father was away on business. isabel quicky shut the door and clos
please help me learn math
69 x 6 + 6 and also 828 divided by 12
The cotton gin was an invention made during the Industrial Revolution. The cotton gin helped with farming, what problem did the cotton gin fix with farming and
2. What physical challenges does Cox face when she starts her swim? This is from the Common core literature book pg 140
good job