Prehistoric Math
While ambling through Jurassic Parc, the mammoth wonders:
"How many ankylosauruses will it take to reach my weight?"
Hints:
Five pterodactyls weigh the same as one stegosaurus.
Ten ankylosauruses weigh the same as one pterodactyl.
Thirty stegosauruses weigh the same as one mammoth.
Question: How many ankylosauruses will it take to weigh the same as one
mammoth?
See answer: https://www.pedagonet.com/brain/PrehistoricMath1.html
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Chain Link Necklace
Heather has four pieces of chain.
Each piece is made up of three links.
She wants to join the pieces into a single closed loop of chain to create a
necklace.
Opening a link costs 2 cents and closing a link costs 3 cents.
She only has 15 cents.
Question: How does she do it?
See answer: https://www.pedagonet.com/brain/ChainLink1.html
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