# Matemakak 9432

The cookbook by Matěj Matemakak says:

The greatest common divisor of flour weight and sugar weight is 15, the greatest common divisor of sugar weight and lemon peel weight is 6, the product of sugar weight and lemon peel weight is 1800, and the smallest common multiple of flour weight and sugar weight is 3150.

What are flour, sugar, and lemon peel weights in a lemon pie recipe?

The greatest common divisor of flour weight and sugar weight is 15, the greatest common divisor of sugar weight and lemon peel weight is 6, the product of sugar weight and lemon peel weight is 1800, and the smallest common multiple of flour weight and sugar weight is 3150.

What are flour, sugar, and lemon peel weights in a lemon pie recipe?

### Correct answer:

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#### You need to know the following knowledge to solve this word math problem:

**algebra**- system of equations
- prime numbers
- divisibility
- least common multiple (LCM)
- greatest common divisor (GCD)
**basic functions**- reason

#### Units of physical quantities:

#### Themes, topics:

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