exam
Maths Puzzle
Numerical Ability
Two angles are supplementary. One angle is 20 degrees more than the second angle. Find the measures of both angles.
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I have tried 3 different algebra tutors, to no answer. Suppose a cost benefit model is given by y= 2845 over 100-x . Where y is the cost for removing x percent of a given a pollutant can be removed for $23,000? Choices are: 114.1%, 89%, 8.9%, 447%
Hi can someone please help me. Thanks in advance.
This is solving linear inequalities.
5[3t-(t-4)]-11<= - 12(t-6)-(-t)