Solve coin problems: given the total number of coins, their total value and the two coin values, find how many of each. Enter your values; the result updates as you type, with the method shown below.
Formula
x + y = n; ax + by = T
Worked example
20 coins worth 3.50 in 0.10 and 0.25: 10 of each.
Frequently asked questions
How is it set up?
Two equations: x + y = n and ax + by = total.
No whole answer?
Then the values are inconsistent.
Tickets or stamps?
The same method applies.
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Results are estimates for information only. Check important figures with a professional.