exam Maths Puzzle Numerical Ability

Solve and graph the solution set of each of the following inequalities.
34) 3x ≥ 2x - 4

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exam Other Question

How many pounds of hamburger that costs $1.10 per pound must be mixed with 50 pounds of hamburger that costs $1.80 per pound to make a mixture that costs $1.30 per pound?

I came up with 200. Please tell me if I am correct! john takes 3hours longer than andrew to peel 400 pounds of apples. if together they can peel 400pounds of apples in 8hours then how long would it take john if he is working alone. round answer to three decimal places