exam Maths Puzzle Numerical Ability

University Theater sold 510 tickets for a play. Tickets cost $21 per adult and $15 per senior citizen. If total recipts were $8748, how many senior citizen tickets were sold.

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Whst is the absolute value of |x+6|=2x? A discount grocery store offers two types of memberships with annual memebership fees of $25 and $100. With the $25 membership, you get the regular discount. With the $100 membe