Rocky finished a 200-meter race in 5/12 of a minute. The winner of the race used 21/25 of Rocky time to finish the race. How much time did the winner use to finish the race? (four steps)
Answer (1)
* $\boxed{21}$ seconds*Problem:*Rocky finished a 200-meter race in 5/12 of a minute. The winner of the race used 21/25 of Rocky's time to finish the race. How much time did the winner use to finish the race?*Solution:**Step 1: Calculate Rocky's time in seconds*First, let's convert Rocky's time from minutes to seconds. There are 60 seconds in a minute, so:Rocky's time = $\frac{5}{12} \times 60 = 25$ seconds.*Step 2: Calculate the winner's time*The winner's time is $\frac{21}{25}$ of Rocky's time. Let's calculate the winner's time:Winner's time = $\frac{21}{25} \times 25 = 21$ seconds.*Step 3: Verify the calculation*We've calculated the winner's time as 21 seconds.*Step 4: Provide the final answer*The winner used 21 seconds to finish the race.*Summary:*The winner finished the 200-meter race in 21 seconds.Do you have any questions about the steps or would you like more examples?
