When a new bridge is built the average time taken by a bus to travel from one City to another is reduce from 50 minutes to 40 minutes.
What is the percentage decreased time taken to travel between two cities?
[options are:10%,20%,45%,50%?
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Answer:
Previous time=50mins
New time=40 mins
Decrease=50mins-40mins=10mins
Therefore decrease percent=
\begin{gathered} \frac{10}{50} \times 100\% \\ = 20\%\end{gathered}
50
10
×100%
=20%
Mark me as brainliest
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