exam Maths Puzzle Numerical Ability

Solve. (Express your solution in terms of
natural logs, not a decimal.) 23^x = 205

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exam Other Question

A 39-ounce can of Hills Bros. coffee requires 188.5 square inches of aluminum. If its height is 7 inches, what is its radius? ) Ok this one I have no idea
z-8/z+5=4/7

Now do I need to use a LCd? Which I believe would be 35.
Know I think I am supposed to mult. 35 by both sides.
(35)z-8/z+5 and (35)4/7
Now is this ok so far??