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

What right has become an important part of the American democracy ever since the complaint was written
P is the midpoint of DE, DP=3x+2, and DE=10x−12. What is the length of DP?
In the history of India and Hinduism, what group of people did not belong to the caste system and were not protected by caste law? priests untouchables merchant
A circular disc has an area that measures between 1,650 and 1,700 square inches. What could be the length of its radius? Use 3.14 for pi. A.23 in. B.24 in. C.2
Need number seven plz help me
Eya is 5 years younger than 3 times bills age. If eya is 28 years old, how old is bill? Write and solve an equation to answer the question
What is jefferson demanding as he concludes the declaration?
I need help is it a b c or d
Match each figure with his relationship to the visual arts. ANSWER ASAP A. Plato B. Denis Diderot C. Roger Fry D. Clement Greenberg 1. English artist and art cr
Round 4358 to the nearest thousand