Leena knits 10 rows in 12 min. At this pace, how long will it take her to knit the next 25 rows?
2 answers:
Answer:
62.5 minutes
Step-by-step explanation:
10 rows
------------ = 2/5 row/min
25 min
This is equivalent to 5/2 minutes per row.
Mult. this by 25 min to determine how many rows Leena can knit in that period:
5 min 25 rows
---------- * --------------- = 125/2 minutes, or 62.5 minutes
2 row 1
10 rows= 12 mins
there's 25 rows in all so break it down into 10, 10, and 5 to make it more simple
12+12= 24 minutes for 20 rows
since you only have 5 rows left (which is half of ten), you divide the 12 by two as well.
12mins/2= 6 minutes for 5 rows
24mins+6mins= 30 minutes
answer: It will take 30 minutes to knit 25 rows
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