1.

What will be the total fuel weight fraction for x-number of mission phases?

A. W<sub>f</sub> / W<sub>0</sub> = 1 (W<sub>x</sub> / W<sub>0</sub>)
B. W<sub>f</sub> / W<sub>0</sub> = 1 + (W<sub>x</sub> / W<sub>0</sub>)
C. W<sub>f</sub> / W<sub>0</sub> = 1 / (W<sub>x</sub> / W<sub>0</sub>)
D. W<sub>f</sub> / W<sub>0</sub> = 1 + (W<sub>x</sub> / W<sub>0</sub>)
Answer» B. W<sub>f</sub> / W<sub>0</sub> = 1 + (W<sub>x</sub> / W<sub>0</sub>)


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