I think it would take her 1/20 of an hour to do each chore and i dont know what point a is .
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Answer:
The percentage increase is 40%
Step-by-step explanation:
Percentage Increase =
<u>Final Value - Starting Value</u>
Starting Value x 100 (the whole fraction, not just the bottom)
Hope this helps!!!! :)
Answer:
4 secs
Step-by-step explanation:
Since they have to be synchronized, their parabolic equations must be equal to one another
3(t^2 + 9 - 6t) - (t^2 + 25 - 10t) - t + 2 = 0
2t^2 - 9t + 4
(2t - 1)(t - 4) = 0
t = 1/2, 4
From the options, the answer is 4
