exam Maths Puzzle Numerical Ability

Write a system of eguationsthat could be used to solve this problem:The math club sold 200 raffle tickets for a total of $110 at $0.50 for students and $0.75 for adults.

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exam Other Question

Use the quadratic formula to solve each equation.
x^2=-5/4x+3/2 Solve the exponential or logarithmic equations. (Write your final answer in BOTH exact and approximate value).

(a) 6^x-3 = 2^x

(b) log(5x-6) = 2log x