exam Maths Puzzle Numerical Ability

8.64 Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of
cheap popcorn carefully counted 773 kernels and put them in a popper. After popp

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exam Other Question

For the function f(x)=x^2-2x+1
(a)find f(0)

(b)solve f(x)=0 A chemist needs 120 milliliters of a 60% solution but has only 44% and 92% solutions available how many milliliters of each should be mixed to get the desired solution?