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1 year ago

12. Penny can knit 4 rows of a sweater in 5

Chemistry

1 answer:

Evgesh-ka [11]1 year ago

8 0

Answer:

6.25 hours

Explanation:

From the question;

Penny can knit 4 rows in 5 minutes

We need to determine the time it will take for her to knit 300 rows

4 rows = 5 minutes

300 rows = ?

= (300 × 5 ) ÷ 4

= 375 minutes

But, 1 hour = 60 minutes

Therefore;

= 375 ÷ 60

= 6.25 hours

Thus, it will take penny 6.25 hours to knit 300 rows

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To determine the Kb of gallic acid is actually very simple.

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