7. Column A: 1/
Column B: 1.03
8.The original value of machine X is V dollars, while the original value of machine Y is 2V dollars. Both machines depreciate in value at a constant rate of 10 percent of their original value per year.
Column A: The value of machine X after 3 years
Column B: The value of machine X after 6 years
9. If n is an odd integer, which of the following is the square of the next larger odd integer?
A. nn+1 B. nn+4 C. nn+2n+1 D. nn+4n+1 E.nn+n+1
10. If 55 percent of a group of people have brown hair and 80 percent of the same group do not have red hair, what fraction of those who do not have brown hair red hair?
A. 1/4 B.4/11 C.4/9 D.5/9 E.4/5
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