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Kyra saw 4 times as many birds as squirrels in her backyard. She saw a total of 15 birds and squirrels. How many birds did Kyra see in her backyard?

need help with the answer to Kyra saw
4
times as many birds as
squirrels in her backyard. She saw a total
of
15
birds and squirrels. How many birds
did Kyra see in her backyard?

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Vivian L. | Microsoft Word/Excel/Outlook, essay composition, math; I LOVE TO TEACHMicrosoft Word/Excel/Outlook, essay comp...
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Hi Deborah;
Kyra saw 4 times as many birds as squirrels in her backyard. She saw a total of 15 birds and squirrels. How many birds did Kyra see in her backyard?
 
4S=B
15=B+S
15=4S+S
15=5S
3=S
She saw 3 squirrels...
15=B+S
15=B=3
12=B
She saw 12 birds...
12 birds is four times 3 squirrels.