Question

A race car driver lost 8 seconds off the leader for each of the 3 pit stops the driver made. At each of the next 2 pit stops the driver gained 10 seconds on the leader. Which represents the amount of time the driver is off the leader? A. –4 secondsB. –2 seconds C.20 seconds D.54 seconds ASAP

Answer 1

the answer would be A.
if he lost 8 seconds off of 3 pit stops that means he lost 24 seconds. if he can’t 10 seconds for the 2 he made, he gained 20. so therefore, he is only 4 seconds behind the leader. I hope this helps :)

Answer 2

Using the addition operation, the amount of time the drive is off the leader is the net sum of the time gained and and the time lost. Hence, we can conclude that the driver is off the leader by - 4 seconds.

Total Amount of time lost :

• Number of pot stops × time lost per stop

• 3 × - 8 = - 24 seconds

Total Amount of time gained :

• Number of put stops × time gained per stop

• 2 × 10 = 20 seconds

The net amount of time drive ia off the leader is :

• Total time lost + total time gained

• -24 + 20 = - 4 seconds

Therefore, the driver off the leader by a total of 4 seconds

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