Sales of products
For 80 pieces of two quality products, the total sales are 175 Eur. Suppose the first quality product was sold for n EUR per piece (n natural number) and the second quality product after 2 EUR per piece. How many pieces of the first quality were sold?
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- integer equation
- system of equations
- prime numbers
- divisibility
- basic functions
- reason
- numbers
- natural numbers
Units of physical quantities:
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