exam Maths Puzzle Numerical Ability

Perform the indicated operation. Simplify if possible.

8/x+8 - 3/9x+72

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exam Other Question

1.15m+3=-6
__________
2 3. -7x+3=-15
_ 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?