Respuesta :
The answer is 10 hours.
For this problem, you can use a ratio and proportion...
10:4 = 25:x
Then multiply both the means, and then multiply both the extremes, and they should be equal.
10x = 4(25)
x = 10 hours
For this problem, you can use a ratio and proportion...
10:4 = 25:x
Then multiply both the means, and then multiply both the extremes, and they should be equal.
10x = 4(25)
x = 10 hours
10/4=2.5 chapter per hour25 chapter/ 2.5 chapter = 10 hoursHope this helps!