21004649
21004649 21004649
  • 13-04-2021
  • Mathematics
contestada

If 15% of a number is 30 and 40% of the same number is 80, find 25% of that number.

Respuesta :

pototet
pototet pototet
  • 13-04-2021

Answer:

50

Step-by-step explanation:

let the number be x

15% of x= 0.15x

0.15x=30

(divide both sides by 0.15)

x= 200

25% of 200 = 25/100 *200

= 50

Answer Link

Otras preguntas

If a car can go from 0.0 to 60.0 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50.0 mi/hr?
A.Boer war B.Crimean war C.Emilio aguinaldo D.Sepoy mutiny E.Menelik II F.Nigeria G.Persia H.Queen Liliuokalani I.Raj J.Shaka 1. The main cause of the___
why was Richard Arkwright important in the industrial revolution?
What does it mean to say that momentum is conserved?
All of the following are true about the Stamp Act EXCEPT (A) the act directly affected all colonists (B) as a result of colonial resistance to the Stamp Act, al
Ants communicate with chemicals called a. silica. b. metronomes. c. biomes. d. pheromones
A hydrogen atom has one proton, two neutrons, and no electrons. Is this atom neutrally charged? Explain your answer.
Waves that move matter back and forth are called                 a.transverse waves  b.longitudinal wave     c. Medium wave
What does it mean to say that momentum is conserved?
All of the following are true about the Stamp Act EXCEPT (A) the act directly affected all colonists (B) as a result of colonial resistance to the Stamp Act, al