In a family with 3 children, excluding multiple births, what is the probability of having 3 girls? assume that a girl is as likely as a boy at each birth

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?

Arectangular yard has area 96 square feet. if the width of the yard is 4 feet less than the length