Question

b) In the past, Pintu and Amu could finish running a race in 29.8 seconds and
1
28 seconds, respectively. At present, they can finish the race in 25 seconds and
31.5 seconds, respectively. Compare their present timing with their previous timing
Who improved in their timing and by how much?​

Answer 1

Answer:

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Answer 2

Answer:

Step-by-step explanation:

In the past,

Time taken by Pintu to finish race = 29.8 seconds

Time taken by Amu to finish race = 28 seconds

Present Timings,

Time taken by Pintu = 25 seconds

Time taken by Amu = 31.5 seconds

Comparing the timing,

Pintu = 29.8 - 25 = 4.8 seconds

Pintu now improved by 4.8 seconds.

Amu =31.5 - 28 = 3.5

Amu now exceeds by 3.5 seconds.

Therefore, Pintu improved by her timing by 4.8 seconds.

Thank you!