Sara planted $20$ flower plants in her garden in two hours. How long will it take her to plant just one flower?

4

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None of the above

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Solution

The correct option is B $6$
Given:
Sara planted $20$ flower plants in $2$ hrs

$∴$ Time taken by Sara to plant $1$ flower

$= \frac{Total time taken in planting all flowers}{Total number of flowers}$

$= \frac{2 hr}{20} = \frac{120 mins}{20} = 6 mins$

Therefore, Sara will take $6$ mins to plant one flower.

(b) is the correct option.

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Sara planted 20 flower plants in her garden in two hours. How long will it take her to plant just one flower?

The correct option is B 6Given: Sara planted 20 flower plants in 2 hrs ∴ Time taken by Sara to plant 1 flower =Total time taken in planting all flowersTotal number of flowers =2 hr20=120 mins20=6 mins Therefore, Sara will take 6 mins to plant one flower. (b) is the correct option.

Sara planted $20$ flower plants in her garden in two hours. How long will it take her to plant just one flower?