exam Maths Puzzle Numerical Ability

Solve the following system of linear inequalities by graphing. x + 2y < 3, 2x – 3y < 6

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exam Other Question

The first three terms of the binomial expansion of (a+b)^n are 729,2916,4860 respectively, where a, b, and n are positive integers. Find a, b, n. Show working steps. Thomas can do a job in 4 hours. Julia can do the same job in 6 hours. How many hours will it take the two of them to do the job if they both work together?