book Maths Puzzle Numerical Ability

Working together, Joe and Jim can dig a ditch in 7 hours. Working alone, it takes Jim 2 hours longer than it takes Joe. How long will it take Joe to dig the ditch alone.

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book Other Question

Find the lateral surface area of a right circular cylinder with radius 7 cm and height 24 cm

Find the volume of a square pyramid 13 m tall whose base measures 5 m on a side Explain the difference between equivalent expressions and equivalent equations.

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