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Jlenok [28]
4 years ago
13

At a math competition 2 students can answer 40 questions in 1 hour. At the same rate, how many questions could 5 students answer

in 15 mins?
Mathematics
1 answer:
const2013 [10]4 years ago
6 0

Answer:

25 questions

Step-by-step explanation:

At a math competition 2 students can answer 40 questions in 1 hour.

Therefore, 1 student can answer in 1 hour =  \frac{40}{2}

                                                                     = 20 questions

5 students can answer in 1 hour = 20 × 5 = 100 questions

60 minutes = 1 hour

15 minutes =  \frac{15}{60} = 0.25 hours

5 students can answer in 0.25 hours = 100 × 0.25

                                                              = 25 questions

5 students could answer 25 questions in 15 minutes.

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A bag of potatoes weighs 7 and 1/2 pounds. Of the potatoes in the bag, 1/6 are rotten. What is the weight of the good potatoes?
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Step-by-step explanation:


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3 years ago
You owe $300 on your credit card. For every month that you fail to make a payment, your balance increases by 1%. Find a formula
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Answer:

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Step-by-step explanation:

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3 years ago
An algebraic expression that contains three terms is called?
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Step-by-step explanation:

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