Jasten
20.09.2019 •
Mathematics
Adock worker pays $30 for 10 lb of sea food. it is made of two kinds of shrimp: large shrimp sells for $5 per pound, and popcorn shrimp sells for $1 per pound. how many pounds of each kind were in the mixture?
i dint get the systems of equations problem
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Ответ:
s + p = 10multiply by -1
5s + p = 30
-s -p = -10 (result of multiplying by -1)
5s + p = 30
add
4s = 20
s = 20/4
s = 5
s + p = 10
5 + p = 10
p = 10 - 5
p = 5
so there was 5 lbs of large shrimp (s) and 5 lbs of popcorn shrimp (p) in the mixture
Ответ: