Dan is watching the birds in his backyard he watches none of them or 45% are sparrows how many birds are in his backyard

Question

Yusuf

Mathematics

21 January, 07:07

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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Answers (1)

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Rodolfo · Answer 1

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?