exam Maths Puzzle Numerical Ability

A store bought a $1000 shipment of sweaters and offered them for sale after a $15 markup on each sweater. All but 10 sweaters were sold, and the store made a $400 profit on the sweaters. How many sweaters did the store buy?

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exam Other Question
Write a flowchart proof for the conjecture: The diagonals of a rectangle are congruent.
Given: Rectangle ABCD with diagonals AC and BD
Show: AC is congruent to BD

i tried i j Identify the type of function represented by y=(x+1)^2-4.