Greg has decreased his running time by 1 tenth minute each of the last six weeks. write an expression to represent the total change in his time over the last six weeks. then, find the total change.

Total change= 36 seconds.

Step-by-step explanation:

Let Greg's initial running time be t seconds.

As Greg has decreased his running time by 1 tenth minute each week.

Now, 1 tenth of minute =

Thus In the first week, his running time =

In the second week, his running time =

Similarly,

In the sixth week, his running time =

Hence, the total change in time of running = 36 seconds

4.08%

step-by-step explanation:

answer: its the third option.

step-by-step explanation:

i just took the test.