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14.11.2019 •
Mathematics
Dan is watching the birds in his backyard he watches none of them or 45% are sparrows how many birds are in his backyard
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Ответ:
If 9 of the sparrows is 45% of the birds in the backyard, 9/x = 45/100.
Cross multiply to get 9 * 100 = 45x; simplified is 900 = 45x or 20.
This means that there are 20 birds in the backyard. You can check this by dividing 9/20 which equals 45%
none??' you mean nine?
Ответ:
In This Question there are three parts so answers of the three parts are in the following attachments .
Step-by-step explanation: