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

PLEASE HELP ME  Which of the following is the correct graph of the compound inequality 4p + 1 > −7 or 6p + 3 < 33? (1 point) a number line with open c
graph x=-4 how is that line placed on the coordinate system
Which of the following would be an acceptable first step in simplifying the expression sin x/ 1-cos x
whis is the oppossite of sloppily
Golf balls are packaged by stacking three balls vertically in a box. Given that the height of the box is 13.5 cm, and that the golf balls are touching each othe
Which of these did not happen as a result of the crusades?
Which statement best describes the main idea of "For the Equal Rights Amendment” by Representative Shirley Chisholm?
What is the first thing you should do when making an individual decision
I need help with this question?????
What's the 7th term help