exam Maths Puzzle Numerical Ability

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A local hamburger shop sold 639 hamburgers and cheeseburgers on Tuesday. They sold 61 fewer cheeseburgers than hamburgers. How many hamburgers did they sell?

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exam Other Question

Solve the systems of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent
2x-6y=42
3x-9x=-21 Shirley bought 6,750 steers for her dairy farm. Last year she bought 6,250 steers. What was the percentage of increase in the amount of steers bought?