Answer:
B is the correct answer
Step-by-step explanation:
if 2 1/2 gallons is 1/2 pint oil then 5 gallons would be 1 pint of oil, therefore 10 gallons would be 2 pints of oil
there were 200 children and 500 adults at the show
7x+10y=6400
x+y=700
x=700-y
7(700-y)+10y=6400
4900-7y+10y=6400
-7y+10y=1500
3y=1500
y=500
x=700-500
x=200
b a pex
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