What is the area of the figure?

A rectangle is cut out of a large rectangle. The larger rectangle has a base of 6 yards and a height of 7 and one-fourth yard. The smaller rectangle inside has a base of 3 and two-thirds yard and height of 5 yards.
–25One-sixth yd2
22One-sixth yd2
25One-sixth yd2
61StartFraction 5 Over 6 EndFraction yd2

2.5 milligrams is equivalent to how many grams

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?