An ant crawls at a rate of 216 ft per minute. at this rate, how long does it take the ant to crawl a distance of 515 ft? what is the answer as a mixed number?

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Answer this question only if you know the 30 points and

What is (28 + 7 + 6 + 3) x 1/2 show your work