Question
A frog leaps across 25 lily pads which are of the same distance apart. It takes the frog 8 seconds to get from the fifth  lily pad to the thirteenth lily pad. How long does it take for the frog to leap from the seventeenth lily pad to the eighteenth lily pad?
4 m

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A frog leaps across 25 lily pads which are of the same distance apart. It takes the frog 8 seconds to get from the fifth  lily pad to the thirteenth lily pad. How long does it take for the frog to leap from the seventeenth lily pad to the eighteenth lily pad?