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lillovecandy
30.06.2019 •
Mathematics
Plz 50 or 25, a nature museum has 2008 specimens of early birds, some with 2 wings and some with 4 wings. the specimens have a total of 4038 wings. how many specimens are there with each number of wings?
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Ответ:
there are 1997 two winged specimens and
11 four winged specimens
Step-by-step explanation:
t = two winged specimens
f = 4 winged specimens
2*t + 4*f = 4038 4038 wings
t+f =2008 2008 specimens
solve for t
t= 2008 -f
substitute t into 2*t + 4*f = 4038
2*(2008-f) + 4*f = 4038
distribute
2*2008 -2f + 4f = 4038
4016 -2f + 4f = 4038
combine like terms
4016 +2f = 4038
subtract 4016 on each side
2f = 4038 -4016
2f = 22
divide by 2
f = 22/2 =11
there are 11 4 winged specimens
t = 2008 - f
t = 2008-11
t =1997
Ответ:
the answer would be 75% or .75 or three quarters. (3/4)
Hope this helps :)
i really need brainliest so can you please give it to me? thank you so much ; )