Question

Ananya swims 10 miles at each of her practice sessions. How long is a practice session if she swims at an average speed of three times slower than m miles per hour?

Answer 1

Each practice session of Ananya lasts 30/m hours

Average speed

Since, Ananya swims at an average speed of three times slower than m miles per hour;

• Ananya's speed is therefore; m/3 miles per hour

In essence, to determine how long is a practice session; we must evaluate as follows;

Speed = m/3 = distance/ time

m/3 = 10/t.

• Therefore, By cross product;

mt = 30

t = 30/m hours

Read more on speed and time;

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