Question

When don is in the middle of the lake swimming towards the south shore, Dawn jumps in from the north shore and swims after him. When Don is 10 yards from the south shore,Dawn is 5 yards behind him and 60 yards from the north shore.The distance from the north shore to the south shore is ___ Yards?

Please help me

Answer 1

Don is 10 yards from the south shore and Dawn is 5 yards behind him, implies that Dawn is 15 yards from the south shore. Also at that time, Dawn is 60 yards from the north shore, so clearly the north shore and south shore are 75 yards apart