6. Brian had $12.80 to spend at the flea market. He bought a portable CD player for $5.50 and wants to buy some CDs that are $0.75 each. Brian can determine n, the number of CDs he can buy, using which of the following inequalities?
F. 0.75n ≤ 12.80
G. n − 5.50 ≤ 12.80
H. n + 5.50 ≤ 12.80
J. 0.75n − 5.50 ≤ 12.80
K. 0.75n + 5.50 ≤ 12.80
7. What is the value of y − x when \( y=-\frac{11}{16} \) and \( x=\frac{18}{32} \)?
8. Ms. Clark is scoring her class’s geography test. The test had 30 questions, each worth 1 point. Ms. Clark is currently scoring Tomás’s test paper. So far, she has marked 24 of his answers correct and 3 incorrect. What is the maximum percent correct, to the nearest percent, that Tomás can earn on the test?
F. 80%
G. 88%
H. 89%
J. 90%
K. 97%
9. Chris can paint \( \frac{1}{6} \)of a fence per hour. Sandy can paint \( \frac{1}{8} \)of the same fence per hour. What fraction of the fence will be painted when Chris and Sandy work at these rates for 2 hours?
10. The scales on both axes of the standard (x,y) coordinate plane below are the same. Of the following values, which one is the best estimate for the slope of the line graphed in the plane?
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