exam Maths Puzzle Numerical Ability

In planning for a new item, a manufacturer assumes that the number of items produces x and the cost in dollars C of producing these items are related by a linear equation. Project

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Jon leaves for chicago at 3:30. At 5:00 Karl leaves from the same place and heads for Chicago. If Jon averages 50 miles per hour and Karl averages 62 miles per hour, what time does Karl overtake Jon? I can't find any other section for this question to go in so:

Each of three players has written a list of 100 words. The lists are compared and all the words that appear in at l