a man could run a 200m race in 40 seconds .after training he can finish the race in 30 seconds . By how much has he improved his speed
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See the attached picture.If it is correct mark it as brainliest.
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aashi40:
but your division in incorrect
which division is wrong?The first one or the second one?
if you are talking abt the second one,the answer will be 6.7.
It is because when a decimal has a infinite number,then by seeing the number at the left side of the dot,if the number is less than 5 then the number after the dot will decrease by 1
And if the number before the decimal dot is greater than 5 then the number after the decimal will increase by 1.
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