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

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