Please answer this and get 100 pts.
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Answered by
2
Answer:
Step-by-step explanation:
No. Of lotteries = x
A.T.Q,
x(2x+5) = 168
2x^2 + 5x - 168=0
Solving this we get
x = 8, -21/2
Neglecting the negative no.
No. of lotteries = 8
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Answered by
1
Answer:
no. of lotteries-x
According to question
x(2x+5)=168
2x²+5x-168=0
x=8,-21/2
so no. of lotteries is 8
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