exam Maths Puzzle Numerical Ability

Your teacher is giving you a test worth 100 points and containing 40 questions. There are 2-point and 4-point questions on the test. How many of each type of questions are on the test?

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exam Other Question

h/2 - h/h-4= -4/h-4

answer is h does not = 4, h = 2. is this correct? a car is traveling at a speed of 55 miles per hour. you want to write an algebraic expression to show how far the car will travel in a certain number of hours. what will be your constant? your variable?