Question

the track team is trying to reduce their time for a relay race. first they reduce by 2.1 minutes. then they are able to reduce the time by 1/10. if their final time is 3.96 minutes, what is their beginning time? show or explain your answer​

Answer 1

6.27 minutes

Explanation:

x = beginning time

x - 2.1 - 0.21 = 3.96 *(1/10 of 2.1 is 0.21)

x - 2.31 = 3.96

x = 6.27