7. A metal container full of water weighs \frac{84}{3} pounds. lf the weight of the water in the container weighs \frac{47}{2} , pounds, what is the weight of the metal container?
A. 6 \frac{1}{2} pounds
B. 4 \frac{1}{2} pounds
C. 9 \frac{5}{6} pounds
D. 18 \frac{1}{6} pounds
8. Convert the fraction \frac{9}{16} to a decimal.
A. 3.652
B. 1.778
C. 0.8325
D. 0.5625
9. An automated assembly line installs a clutch to the transmission of an automobile. lf the assembly line can install 6 clutches every 15 minutes, how many clutches are installed in an 8-hour workday?
A. 90
B. 48
C. 192
D. 120
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