Before cleaning a vessel, I saw bacteria in it. I saw 5 baceteria on it. After cleaning the vessel I found only 60% of bacteria is vanished. So, what is count of bacteria that is still present in the vessel after cleaning?

Given:

Number of bacteria $=5$.

Percentage of bacteria vanished after cleaning $=60 \%$

To do:

We have to find the count of bacteria that is still present in the vessel after cleaning.

Solution:

Number of bacteria vanished $=5-\frac{60}{100}\times5$

$=5-3$

$=2$

The count of bacteria that is still present in the vessel after cleaning $=$ Number of bacteria $-$ Number of bacteria vanished

$=5-2$

$=3$

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Updated on: 10-Oct-2022

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