Asquare field has an area of 479 ft2. what is the approximate length of a side of the field? give your answer to the nearest foot.
a. 240
b. 23
c. 22
d. 21

Ahealth-food producer has 250 samples of a new snack to distribute in the mall. the producer has to keep at least 50 samples for display in the health food for the product launch. how long will the samples last if consumers are taking the samples at a rate of 25 every hour