Cole drove from home to work at an average speed of 60 kmh.

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Cole drove from home to work at an average speed of kmh. He then returned home at an average speed of kmh. If the round trip took a total of hours, how many minutes did it take cole to drive to work?

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Calculated Answer

72

Step by Step Solution

In order to solve problem, you must evaluate (n₁ * n₂) / (n₀ + n₁) * 60.

• (n₁ * n₂) / (n₀ + n₁) * 60

• Evaluate n₁ * n₂ = 180

  180 / (n₀ + n₁) * 60

• Evaluate n₀ + n₁ = 150

  180 / 150 * 60

• Evaluate 180 / 150 = 1.2

  1.2 * 60

• Evaluate 1.2 * 60 = 72

  72
• The answer to the problem and the result of (n₁ * n₂) / (n₀ + n₁) * 60 is 72