Taxes on a house assessed at $64,000 are $1500 a year. If the assessment is raised to $85,000 and the tax rate did not change, how much would the taxes be?

1 answer

(85/64 - 1)*1500 = 492.1875

Or, going the long way,
x/85000 = 1500/64000
x = 1992.1875
1992.1875 - 1500 = 492.1875