Guests at a wedding had a choice of three main courses: fish, beef or chicken. ⅖ of the guests ordered fish, 3/10 ordered beef. The rest ordered chicken. What fraction of the guests ordered chicken?

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

Adozen bananas weigh 3 pounds how many ounces does 1 banana weigh