Question

Your friend can clap his hands 28 times in 12 seconds. How many times can your friend clap his hands in 0.5 minutes?

Answer 1

Answer:

70 times

Step-by-step explanation:

12 * 5 = 60

28 * 5 = 140

140/2 = 70

Answer 2

Hello there! He can clap his hands 70 times in 0.5 minutes.

Remember: Since a minute is 60 seconds, half a minute is 30 seconds, so 0.5 minutes is equal to 30 seconds.

To solve this problem, start by finding the unit rate of claps per second.

28 claps ÷ 12 seconds = 2 and 1/3 claps a second.

Now, take what I said in the reminder, and multiply the unit rate (time for one second) by 30 (time for 30 seconds).

2 and 1/3 x 30 = 70

So, your friend can clap his hands 70 times 0.5 minutes.

I hope this helps and have a great rest of your day!