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

Carter invested $70,000 in an account paying an interest rate of 1.125% compounded continuously. Savannah invested $70,000 in an account paying an interest rate
373646351636646475753626266374747574884x848484893990299149440505944330309877=?
PLSS HELP MEEE!! It'll be very appreciated
Solve the system of equations below by graphing. Type in the ordered pair (x,y) for your answer y=-2 x+y=5
Choose ALL correct answers (1, -3) (4, 1) (6, 3) (2, -2)
A circle with a radius of 5 is transformed into the following function: (x/3)² + (5y)² = 25 What percentage of the original circle's area is the area of the new
Plot the point on this function with an x-value of 6. What is the y-value of this point?
A parking garage bases its prices on the number of hours that a vehicle parks in the garage.The first two hours cost $2 per hour, between two hours and six hour
Carter invested $70,000 in an account paying an interest rate of 1.125% compounded continuously. Savannah invested $70,000 in an account paying an interest rate
PLSS HELP MEEE!! It'll be very appreciated