3 girls and 2 boys took part in a quiz. the girls scored a total of 21 marks and the boys scored a total of 19 marks what was th
2 answers:
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Step-by-step explanation:
The given quadratic equation is :
The formula to solve a quadratic equation is :
Put a = 13, b = 10 and c = 1
So,
Hence, this is the required solution.