. 4 typists take 15, 10, 8, 7 mins to type a letter. Find average time to type a letter. If each typist works for two hours
a. 8.4
b. 10
C. 9.2
d. 2.5
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Answered by
0
Answer:
10
Step-by-step explanation:
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Answered by
1
Answer:
8.4
Step-by-step explanation:
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