piper64bsj
27.07.2019 •
Mathematics
It takes joanna 15 minutes to complete 4 puzzles. at that rate, how many puzzles can she complete in 1 hour 45 minutes
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Ответ:
4 puzzles = 15 min
1 puzzle = 15/4 = 3.75 min
x puzzles = 105 min (which is the same as 1 hour 45 minutes)
divide 105 / 3.75 = 28
s
28 puzzles = 105 min
Joanna can complete 28 puzzles in 1 hour 45 minutes.
Hope this helped! :)
Ответ:
1 hour 45 min = 95 min. 95/15 = 7. 7 x 4 = 28
Ответ:
The answer is:C (4,-2)
Step-by-step explanation: