exam Maths Puzzle Numerical Ability

6x +11-6x-15

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exam Other Question

graph y=2/5x-3

2/5 means 2 over 5 El Segundo High School put on their annual musical. the students sold 650 tickets for a value of $4375. If orchestra seats cost $7.50 and balcony seats cost $3.50, how many of each kind of seats were sold?