Question
A frog leaps across 4 lily pads which are of the same distance apart. It takes the frog 9 seconds to get from the sixth  lily pad to the ninth lily pad. How long does it take for the frog to leap from the ninth lily pad to the eleventh lily pad?
4 m

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A frog leaps across 4 lily pads which are of the same distance apart. It takes the frog 9 seconds to get from the sixth  lily pad to the ninth lily pad. How long does it take for the frog to leap from the ninth lily pad to the eleventh lily pad?