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1. Sammy is making Valentine's Day cards. If each card takes him 3 minutes and 15 seconds, how much time will it take him to make cards for his whole class of 25 students?



Answer :

GinnyAnswer

Final answer:

It takes 100 machines 5 minutes to make 100 football helmets.


Explanation:

Mathematically, if it takes 5 machines 5 minutes to make 5 football helmets, it would take the same amount of time for any number of machines to make the same number of helmets since each helmet takes 1 minute to make. Therefore, it would take 100 machines 5 minutes to make 100 football helmets.


Learn more about Time and Efficiency here:

https://brainly.com/question/27432004

Answer:

81 minutes 25 second to complete