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Chapter 2: Q62. (page 93)

Dolphins A dolphin can swim at a constant speed of 20 miles per hour for long periods of time. How long does it take a dolphin to swim 60 miles? (Lesson 2.4)

Short Answer

Expert verified

Time taken by dolphin =3hours.

Step by step solution

01

Step-1-Using time-distance formula

Recall the distance formula,

s=v脳t, where s=Distance, v=Speed, and t=time.

02

Step-2-Substituting given values

On substituting values, we get

60=20timest

Divide both sides by 20.

6020=20脳t20t=6020t=3

03

Step-3-Conclusion

Therefore, the time taken by dolphin =t=3hours.

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