nemo21
nemo21 nemo21
  • 01-04-2015
  • Mathematics
contestada

70% of a number is 98.

What is 90% of that same number?

A.
63

B.
68.6

C.
88.2

D.
126

Respuesta :

naǫ
naǫ naǫ
  • 01-04-2015
Set up the proportion:
70% - 98
90% - x

[tex]\frac{70\%}{90\%}=\frac{98}{x} \\ \frac{7}{9}=\frac{98}{x} \\ \frac{7}{9}x=98 \\ x=98 \times \frac{9}{7} \\ x=14 \times 9 \\ x=126[/tex]

The answer is D. 126.
Answer Link

Otras preguntas

the initial population of a town is 16,237 and it grows with a doubling time of 24 years. what will the popluation be in 2 years.
Newton’s third law of motion explains the two forces namely ‘action’ and ‘reaction’ coming into action when the two bodies are in contact with each other. These
pseudomonas helps in A. produces biotoxinB. Removing weedsC. Removing oil spill D. kill pest hope anyone can help me with this question, please ​
How do you think pollination takes place in flowering plants?
How does the author create and maintain tension during the scene at the cornucopia?hunger games chapter 21
Simplify $\frac{2\sqrt[3]9}{1 + \sqrt[3]3 + \sqrt[3]9}.$
Which of these statements correctly expresses a similarity between ancient India and ancient China?
An umbrella has 8 ribs which are equally spaced (see fig.). Assuming umbrellatobe a flat circle of radius 45 cm, find the area between the two consecutive ribs
Give me correct answer and fast
function of C:\>DIR*.doc/p​