exam Maths Puzzle Numerical Ability

a painting job can be finished in 8 painters in 23 days. if 24 painters join the team 7 days after work on the job then how many more days are required to finish the job

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exam Other Question

Solve by graphing;
4x+y=16
4x+y=20
Find the Product Help Please!


-xy^5(2xy^2+7xy-4x)