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Puzzle Details

If Mario can eat 110 cakes in 10 minutes and Kev can eat 56 cakes in 8 minutes, how long will it take Mario and Kev to eat 954 cakes?

In one minute Mario eats 11 cakes (= 110 ÷ 10).

In one minute Kev eats 7 cakes (= 56 ÷ 8).

So in total they eat 18 cakes every minute.

So it will take 954 ÷ 18 = 53 minutes. QED.

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