Say I have options of selling items in a=7 or b=1 units.
What would be a good equation to help me find the optimal way to supply units for a required quantity?
E.g.
- 21 = (3*a)
- 9 = (1*a)+(2*b)
and so forth.
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Use the quotient and remainder in dividing $n$ (the number of units) by $7$.
That is $n=7q+r$ with $0\le r<7$.
paw88789
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