Question
A frog leaps across 23 lily pads which are of the same distance apart. It takes the frog 15 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 eleventh lily pad to the fourteenth lily pad?
4 m

Click button first when a symbol is required. X

A frog leaps across 23 lily pads which are of the same distance apart. It takes the frog 15 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 eleventh lily pad to the fourteenth lily pad?