Peter 11

Peter is answering 10-word math problems. It takes him 1 ⅓ hour to answer five and 1 ½ hours to answer 5. On average, how many minutes does it take him to answer a problem?

Correct answer:

x =  17 min

Step-by-step explanation:

a=131=1+31=31 3+1=33+1=341.3333 h b=121=1+21=21 2+1=22+1=23=1.5 h  X=5+5a+b=5+534+23=60170.2833 h  x=X min=X 60  min=0.2833 60  min=17 min=17 min



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?
Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.
Need help with mixed numbers? Try our mixed-number calculator.
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: