The track 2

The track team is trying to reduce their time for a relay race. First, they reduce their time by 2.1 minutes. Then, they are able to reduce that time by 1/10. If their final time is 3.96 minutes, what was their beginning time? Show or explain your reasoning.

Correct answer:

a =  6.5 min

Step-by-step explanation:

b = a  2.1  min c = b  b/10  c=3.96 min  c = 0.9b  b=c/0.9=3.96/0.9=522=4.4 min  a=b+2.1=4.4+2.1=6.5 min



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







Tips for related online calculators
Do you want to convert time units like minutes to seconds?

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

Units of physical quantities:

Grade of the word problem:

Related math problems and questions: