exam Maths Puzzle Numerical Ability

A rectangle with an area of 24 is surrounded by a frame 1 " wide. What i the area of the frame?

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Please help me solve this problem

The product of 6 and 9 times the number is the same as the difference of 10 times the number and 2
Tutor Could you help me please convert this problem to radical notation..Thank you!

7 square root 18^3