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nirvana33 [79]
3 years ago
8

Use the substitution method.

Mathematics
1 answer:
Anna71 [15]3 years ago
4 0
E=number of eagles
c=number of condors

ttoal is 480
c+e=480

5 times as many condors and 9 times as many eagles totals 3260
5c+9e=3260


we have
c+e=480
5c+9e=3260

eliminateion
elmiminate c
times first equation by -5

-5c-5e=-2400

add to other equation

-5c-5e=-2400
<u> 5c+9e=3260 +</u>
0c+4e=860

4e=860
divide both sides by 4
e=215

sub back

c+e=480
c+215=480
minus 215 from both sides
c=265


thiis spring is

265 condors
215 eagles
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