Let
x-----------> the number of kids
y----------> the number of adults
we know that
2.5x+6y=$7150---------> equation 1
x=2y-------------> equation 2
substitute 2 in 1
2.5*[2y]+6y=7150-----> 5y+6y=7150----> 11y=7150-----> y=650
x=2y----> x=2*650----> 1300
the answer is
the number of kids is 1300
Answer:
c
Step-by-step explanation:
Answer:
(-4,-1) is the answer unless your asking for an actual equation
(2,-8) (3,-13) because if you plug them all in there the only ones that come out right