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 :

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

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

A line on a graph shows a proportional relationship between the hours worked, x, and the total pay y. Two points on the graph are located at (6, 58.50)(6, 58.50

what is the solution for -8(8x-4)+10(-7x-6)

Kristina has to deliver twenty 100-word marketing "blurbs" by the end of the week. Which of the following aspects of her project will be most challenging to mea

Given: x + 2 < -5. Choose the solution set.

Productivity and attitude

jade ran 6 times around her neighborhood to complete a total of 1 mile. How many times will she need to complete 5/6 of a mile?

What are the effects of a volcano? Which is the most dangerous?

which expression below has the same value as 9 to the power of 6

Which is the best way to make resources sustainable? A. Cut down different trees. B. Burn more coal. C. Use more solar power. D. Find more sources o

How do the presidents power to recommend or veto legislation and to grant reprieves and pardons illustrate the principle of checks and balances