powellc760 powellc760
  • 02-03-2015
  • Mathematics
contestada

Janice correctly answered 21 of the 24 questions. what percent of the questions did she answer correctly?

Respuesta :

mac32b mac32b
  • 02-03-2015
24 = 100%
21 =  x%

Cross Multiply

24 * x = 100 * 21
24x = 2100
x = 2100
        24
x = 87.5

Solution: 87.5%
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 02-03-2015
so 21/24=x%
percent means parts out of 100 so
21/24
divide the fraction out
0.875
this is out of 1 so
0.875/1 times 10/10=8.75/10 timmes 10/10=87.5/100
the answer is 87.5%
Answer Link

Otras preguntas

How did the Framers arrange the new institutions both: 1) to insulate the president from the pressures of the democratic influence of the masses and; 2) to prev
What is the solution to the system of equations ?
The question is in the image. Please help me.
Which one is the answer please
The purpose of the Yalta Conference was to:
Identify the two main gases that are exchanged between the respiratory and circulatory systems.
In the diagram below, what will allow more solute to be dissolved in the solvent?
write an equivalent expression to: 3(4x +6)
Enter the missing numbers in the boxes to complete the table of equivalent ratios.
December 03, 2018, Unilever announced its successful acquisition of 81.98% stake in GlaxoSmithKline (GSK) Bangladesh Ltd from Setfirst, making it the largest tr