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levicorey846
14.01.2020 •
Mathematics
Nina makes 8 origami frogs in 36 minutes. at that rate, how many origami frogs can she make in 90 minutes?
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Ответ:
20 origami frogs.
Step-by-step explanation: This is simple proportion problem
Number of origami frogs made in 36 minutes = 8
Therefore we first need to solve for number of origami frog Nina can made in 1 minute
36 minutes = 8
1 minute = 8/36
= 2/9 origami frogs
Therefore, in 90 minutes , Nina will make = 2/9 × 90/1
= 20 origami frogs.
Ответ:
have a good day!
Yes it is.