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Average Rates
Grade Level
GMAT
DI.044 Average Rates
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A student watches 1.5 hours of lecture at 1.25x speed and 2.0 hours of lecture at 1.75x speed. What is the overall lecture-hours-per-real-hour rate?
A
1.2 x speed
B
1.8 x speed
C
1.5 x speed
D
1.4 x speed
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