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Maths Puzzle
Numerical Ability
Rob can tar a roof in nine hours. One day hsi friend Kayla helped him and it only took 4.74 hours. How long would it take Kayla to do it alone?
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exam Other Question
An item costs $900, has a scrap value of $50, and a useful life of five years. The linear equation relating book value and number of years is:
1)A temperature of 41 degrees F is equivalent to 278.2 degrees K, while a temperature of 86 degrees F is equivalent to 303.2 degrees K. Find the equation converting Kelvin tempera