()) Sadie grew 20 plants with 4 seed packets. How many seed packets does Sadie need to have a total of 25 plants in her backyard? Solve using unit rates.
seed packets ?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals