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Butt Bridge on the River Liffey. Shutterstock/Semmick Photo
sins of life

Maths Week: Your Friday puzzle

Figure it out.

MATHS WEEK KICKED off at the weekend and as is our annual tradition here, we’re setting you a puzzle a day with all answers published on site on Sunday morning.

Get puzzling!

TODAY’S Q: 

A kayaker paddles up the Liffey and can paddle at 9 km/h in still water. However, the Liffey is flowing towards the sea at 5 km/h. The very moment he passes under Butt Bridge, 2.5 km upstream, a kayaker passes Heuston Bridge heading downstream.

The canoeists meet after 10 minutes.

Which kayaker is the stronger paddler?

All answers will be published on TheJournal.ie on Sunday morning.

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Maths Week: Your Thursday puzzle>

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