Call me 205 579 7799 if u need help because this stuff is easy
You have been reading your book for about 7 days
7(10) pages each day + 9 left
70+ 9 = 69
The range would only include positive numbers.
The easiest way I know is to multiply the divisor by different numbers to see how many times it will go into the dividend. multiplying 486 by 2 or three and seeing which one gets closest.