exam Maths Puzzle Numerical Ability

if the temp. at noon is 78 degrees and at 5:00 it is 58 degrees how much did the temp. change each hour

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exam Other Question

3logx+3=1 Two angles are complimentary. the sum of the measures of the first angle and half the second angle is 69.5 find the measures of the angles

what is the measure of the smaller angle

what is the measure of the other angle