exam Maths Puzzle Numerical Ability

The larger of two supplementary angles measures 20 degrees less then 4 times the measure of the smaller, how do i figure out both of the angle measurements?

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exam Other Question

Multiply and simplify.

6x2(2x3 - 8x + 5)
The sum of three consecutive even integers is less than or equal to 42. Find the largest se of these numbers.