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Puzzle #223: Can you work out the correct proportions of paint needed?

Can you solve this week’s arithmetical puzzle, Setting the right tone? Plus the answer to puzzle #222

24 May 2023

#223 Setting the right tone

Set by Mary Ellis

“Not one of your best, is it?” smirked Michael, peering over Leo’s shoulder at the portrait he was painting. “The colours are so drab. Who is she?”

“The name’s Lisa,” said the model, smiling enigmatically from the other side of the easel.

“I’m trying to mix a glaze to perfect the tone of her face,” sighed Leo. “But I seem to have run out of paint.”

“Yes, about that,” said Michael. “I might have borrowed some for a ceiling. In any case, it looks like you’ve got two brownish dollops there.”…

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