exam Maths Puzzle Numerical Ability

A rectangle is 5cm. longeer than it is wide.If its length and width are both increased by 3 cm. its area is increased by 60 cm squared.Find the dimensions of the original rectangle.

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exam Other Question

The revenue for a sandwich shop is directly proportional
to its advertising budget. When the owner spent $2000 a month on advertising, the
revenue was $120,000. If the revenue is now $180,000, how much is the owner
spending on advertising? how do you determine linear equations and graph them?