lingling123 lingling123
  • 04-06-2016
  • Mathematics
contestada

Which of the following sentences is expressed by the percent equation below?

13 = 0.5​x

A. What is 5% of 13?
B. What is 50% of 13?
C. 13 is 5% of what number?
D. 13 is 50% percent of what number?

Respuesta :

kredka55 kredka55
  • 05-06-2016

First:

5%=0,05=5/100=1/20
50%=0.5=50/100=1/2

Then:

13 = 50% x
x= 13/50%
x=13 divided by 50/100
x= 13 multiply by 100 divided by 50
x= 26

The answer is D.
Answer Link

Otras preguntas

Two students stand at rest, facing each other on frictionless skates. They then start tossing a heavy ball back and forth between them. Describe their subsequen
Solve x2 + 9x + 9 = 0
why is man called prehistoric
the product of (a-b)(a-b) is a perfect square trinomial, true, sometimes true, or never true?
I attatched my question below... can you guys help me?
help i dont understand this problem
what is the inverse of f(x)=3x
How do judicial reviews in the dissent differ from those in the majority opinion
Marlene rides her bicycle to her friend Jon's house and returns home by the same route. Marlene ride her bike at constant speeds of 9 mph on level ground, 6 mp
Suppose a class has 12 square yards for their exhibit. Which rectangular shape should the class select for their arts and crafts show? What are the advantages a