exam
Maths Puzzle
Numerical Ability
8=4(3c+5)
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exam Other Question
A painter works on a job for 10 days and is then joined by her helper. Together they finish the job in 6 more days. Her helper could have done the job alone in 30 days. How long would it have taken the painter to do the job alone?
y=x2-6x+8
y=x-4