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frozen [14]
3 years ago
14

A log with a radius of 2.5 feet is rolled up a hill. If it takes 30 seconds to roll the log one complete revolution, approximate

ly how many minutes will it take to roll the log 75 yards? [3 feet = 1 yard] 5 7 10 12 15
Mathematics
1 answer:
krek1111 [17]3 years ago
3 0

Answer: 45minutes

Step-by-step explanation:

Since it takes 30seconds to roll a log of 2.5feets up the hill, it will take 25×225/2.5 seconds to roll a log of 225feets(75yards).

*Note that

3feets= 1yard

xfeets = 75yards

x = 75 × 3

x = 225feets

2.5feets = 30seconds

225feets = y

y = 225×30/2.5

y = 2700seconds

It will take 2700 seconds (45minutes) to roll up 75yards(225feets) of log

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