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Cylinders Firing

EMETRC-L42WZ1

A mechanic might use the expression "not firing on all cylinders" to refer to a machine that is not operating at full capacity. If an 8-cylinder truck is literally firing on all but two cylinders, then what proportion of total power is being generated?

A

0.2

B

0.25

C

0.375

D

0.75

E

0.875