book Maths Puzzle Numerical Ability

The supplement of an angle is 20 degrees larger that the angle. Find the measure of the angle. Thanks for the help!

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book Other Question

I feel stupid asking this question but, Is there a differnce between a logarithm of a product and the product of a logarithm? If there is a differnce can you explain it to me? The package of a model car states that the ratio of the length of a real car is 1:25. What is the ratio of the amount of paint required to cover the model to the amount required to cover the real car?