A school fair ticket costs $8 per adult and $1 per child. On a certain day, the total number of adults (a) and children (c) who
2 answers:
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Answer:
3/20, -3/10
Step-by-step explanation:
Its a quadratic equation, use the quadratic formula. (-b+-)/2a
20x^2+3x-2=0
(-3+-)/40
(-3+-9)/40
So you get 6/40=3/20 and -12/40=-3/10