exam Maths Puzzle Numerical Ability

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A slope passing through (9,15) and (2,y) is parallel to a line with slope 2. What is the value of y?

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exam Other Question

Use unit multipliers to convert 3 square miles per hour to square feet per minute Betty and Frank, working together can paint the exterior of a house in 3 days. Frank, by himself can complete the job in 8 days less than Betty. How long will it take Betty to complete the job by herself?