book Maths Puzzle Numerical Ability

Kendra has 9/8 of a bowl of soup. She gives 3/4 of what she has to Scottie. what fraction of a whole bowl of soup does Scottie get? what fraction of the whole bowl does Kendra get?

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This is a problem that I have absolutely no idea how to do it.

Calculate the value of b^2 - 4ac and state how many real solutions the equation has 20x = 4x^2 + 25

Would you please help me solve this equation : 2a-6-(3a+a)=10-4a