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nikklg [1K]
3 years ago
10

A 1-hour driver's test has 100 questions. Mike spends an average of 30 seconds each of the first 60 questions. To finish the tes

t on time, what is the average number of seconds he can spend on each of the remaining questions? Justify your answer.
Mathematics
1 answer:
otez555 [7]3 years ago
7 0

Answer:

45 secs

Step-by-step explanation:

Mike spent 30s on each of the first 60 questions. In total, he spent 30mins on the first 60 questions (30s per q, 30*60=1800s. 1800s/60=30mins).

Therefore he has a further 30mins left to complete the last 40 questions:

1800s/40=45 seconds

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