Safie can write a minimum of five questions per hour and a maximum of eleven questions per hour. What is the difference betwwen the last possible amount of hours and the greatest possible amount of hours Safie will need to write 275 questions?
1 answer:
Answer:
<em>The difference is 30 hours</em>
Step-by-step explanation:
<u>Proportions</u>
Safie can write a minimum of 5 questions per hour and a maximum of 11 questions per hour.
To write 275 she takes a maximum of 275/5=55 hours and a minimum of 275/11=25 hours.
The difference is 55 hours - 25 hours = 30 hours
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Hope this helps! :P
