Graph 1 and 3 are the only functions
Answer:
13
Step-by-step explanation:
247/19=13
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➷ T
B
✽ Ok, so B is the number of boys and T is the number of teachers.
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✽ Then solve the second equation for B.
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✽ Plug into the first equation to find T.
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ May ♡
18x - 16 = -12x - 4 ---> Add 12x to both sides
30x - 16 = -4 ---> Add 16 to both sides
30x = 12 ---> Divide both sides by 30
x = 0.4