Here is Tylers strategy to find 15.28 – 8.73 . First, I add 0.27 to 8.73, then I add 6 more and 0.28 more. Explain why Tylers method works and use it to find the difference of 15.28 – 8.73

15.28 - 8.73 = 6.55

Step-by-step explanation:

Given - Here is Tylers strategy to find 15.28 – 8.73 . First, I add 0.27 to 8.73, then I add 6 more and 0.28 more.

To find - Explain why Tylers method works and use it to find the difference of 15.28 – 8.73

Proof -

If we add 0.27 to 8.73 , we get

8.73 + 0.27 = 9

Then add 6, we get

9 + 6 = 15

Then add 0.28 we get

15 + 0.28 = 15.28

As after adding 0.27 and 6 and 0.28 more to 8.73 gives the value 15.28.

So,

Tylers method works

Now,

By using Tylers method , we get

15.28 - 8.73 = 0.27 + 6 + 0.28

                    = 6.55

i.e. we get

15.28 - 8.73 = 6.55

10.416 meters per second

step-by-step explanation:

distance=1 00 meters

time= 9.6 seconds in decimal form or 9 3/5 as a mixed number

average speed= 100/9.6

=10.416 meters per second or 10 52/125 as a mixed number.

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step-by-step explanation: