1 Describe the three common uses of fractions.
2 Multiplying the numerator and the denominator of a fraction by the same number is the same as multiplying the fraction by the whole number .
3 Reduce the following fractions to their lowest terms.
6⁄8
8⁄12
15⁄20
9⁄18
24⁄30
25⁄40
4 Indicate whether the following fractions are proper or improper.
1⁄10
16⁄14
25⁄20
9⁄13
6⁄6
14⁄11
5 Change the following improper fractions to mixed numbers and express your answer in the lowest terms.
4⁄3
10⁄4
12⁄5
24⁄18
29⁄6
55⁄10
6 Change the following mixed numbers to improper fractions.
61⁄8
23⁄5
101⁄9
83⁄4
65⁄16
33⁄32

An oil exploration company currently has two active projects, one in asia and the other in europe. let a be the event that the asian project is successful and b be the event that the european project is successful. suppose that a and b are independent events with p(a) = 0.2 and p(b) = 0.8. (a) if the asian project is not successful, what is the probability that the european project is also not successful? (b) what is the probability that at least one of the two projects will be successful? (c) given that at least one of the two projects is successful, what is the probability that only the asian project is successful? (round your answer to three decimal places.)