# Banknotes

$1390 was collected. How much was in$20 notes and how many in $50 notes in that order? How many solutions exists? Correct result: n = 3 #### Solution: $1390=20x + 50y \ \\ x_{1}=62, y_{1}=3 \ \\ x_{2}=57, y_{2}=5 \ \\ x_{3}=52, y_{3}=7 \ \\ n=3$ We would be pleased if you find an error in the word problem, spelling mistakes, or inaccuracies and send it to us. Thank you! Showing 0 comments: Tips to related online calculators Do you have a system of equations and looking for calculator system of linear equations? Do you solve Diofant problems and looking for a calculator of Diofant integer equations? #### You need to know the following knowledge to solve this word math problem: ## Next similar math problems: • Two math problems 1) The sum of twice a number and -6 is nine more than the opposite of that number. Find the number. 2) A collection of 27 coins, all nickels, and dimes, is worth$2.10. How many of each coin are there? The dime, in United States usage, is a ten-cent coin.
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