Try this beautiful Problem based on simple Arithmetic appeared in Math Kangaroo (Benjamin) - 2021.
Maurice asked the canteen chef for the recipe for his pancakes. Maurice has 6 eggs, $400 \mathrm{~g}$ flour, 0,5 liters of milk and $200 \mathrm{~g}$ butter. What is the largest number of pancakes he can make using this recipe?
Arithmetic
Division
Multiplication
Algebra by Gelfand
Arithmetic | Math Kangaroo (Benjamin), 2021
$8$
For $100$ pancakes we need -
$25$ eggs
$4$ Litres milk
$5 kg$ flour
$1 kg$ butter.
Now calculate for one pancake how much ingredient is needed?
For one pancake we need,
$0.25$ egg
$0.04$ Litres milk
$0.05 kg$ flour
$0.01 kg$ butter.
Calculate how many pancakes can be made with each ingredients available.
With $6$ eggs we can have $24$ pancakes.
With $400 g$ flour we can have $8$ pancakes.
With $0.5 $ Litres milk we can have $12.5$ pancakes.
With $200 g$ butter we can have $20$ pancakes.
Compare the number of pancakes for each ingredient to make the pancake complete.
So, we can have $8$ pancakes complete.
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