exam Maths Puzzle Numerical Ability

A cell phone company charges $27.95 per month and 12 cents a min for local calls. Another cell phone company charges $12.95 a month and 32 cents a min for local calls. For what number of minutes of local calls is the cost of the plans same?

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6. Rationalize the denominator:
2____
√[3] + √[2]
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