exam Maths Puzzle Numerical Ability

(1+cosx)(cscx-cotx)

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solve the equation

log_b(x+2)-log_b(3)=6 The admission fee at small fair is $1.50 for children and $4.00 for adults. On a certain day, 2,200 people enter the fair and $5050 is collected. How many children and how many adults attended?