Free Practice Question
PS · Problem Solving
505-555
Algebra
The average (arithmetic mean) length per film for a group of 25 films is s minutes. If a film that runs for 70 minutes is removed from the group and replaced by one that runs for 50 minutes, what is the average length per film, in minutes, for the new group of films, in terms of s?
Answer Choices
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s + 1/5
B
s - 4/5
C
25s + 20
D
s + 2
E
s - 2
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P
PalakApr 30, 2025
Thank for sharing!
Details
Difficulty
505-555
Type
PS
Category