Question

Michael Phelps is one of the most decorated swimmers of all time. He has an incredible 23 gold medals. In the 2016 Olympics Michael Phelps finished ⅖ of his butterfly gold medal race, in 2 ½ minutes. Select the equation(s) that would solve how many minutes he finished the complete race in.

Answer 1

Answer: 6 1/4 minutes

Explanation:

Answer 2

• 6 1/4 minutes

Explanation:

Let the time of the complete race be x.

Then we have the following equation:

• 2/5x = 2 1/2
• 2/5x = 5/2
• x = 5/2 ÷ 2/5
• x = 5/2 × 5/2
• x = 25/4
• x = 6 1/4 minutes