Jackson went deep sea diving with some friends. If he descends at a rate of 4 feet per
minute, what integer represents Jackson's
depth in a quarter of an hour?

Ineed i been stuck on this question since yesterday

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

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?