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This problem trains for: SAT-I, AMC-8, GMAT, AMC-10, Math Kangaroo 5-6, Math Kangaroo 7-8.

In an airport, the number of intercontinental flights represents 47% of the number of continental flights. Approximately what percentage of the number of intercontinental flights does the number of continental flights represent?

Let us denote the number of intercontinental flights with N and the number of continental flights with C. Then, we have:

equation

We have to find x such that:

equation

We solve for C in the first relation:

equation

Therefore, we must have:

equation

Solve for x:

equation