Monday, April 28, 2008

A Tax Question

The school district I live in just had a vote to increase taxes to pay for better schools.

Before I get to that, consider a simple example. Suppose 20 people vote yes and 30 people vote no.

What were the respective percentages? You need to get the total first! In total, 20 plus 30, or 50 people, voted. The percentages were 40% "yes" and 60% "no."

In real life, 4702 people voted "yes" to increase taxes and 3554 people voted "no" to the tax increase. What were the percentages of yes and no votes?

There was a second question on the ballot, to increase taxes even more to cover improvements in education and to cover inflation. To this, 4092 voted "yes" and 4150 voted "no." What were the percentages of yes and no votes?

Was the vote on the second question close? Did the same total number of people vote on both questions?

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Note: V=5, X=10, and L=50. In Roman numerals, if a single smaller unit precedes a larger unit, you subtract. So XL=40.

Vote totals: First vote, 8 thousand + CCLVI; second vote 8 thousand + CCXLII
Percentages: rounded to nearest whole percent, Yes LVII per centum, No XLIII per centum.
Second vote: Yes L per centum, No L per centum, but No won by LVIII votes out of about 8 thousand cast; the Romans didn't use decimals but the vote lost by about VII tenths of one percent.



Hint: this is a favorite question on standardized tests. The test doesn't tell you to, but you must add the votes to get the total first (!) then calculate the percentages.

posted by Stephen Margolis @ 6:15 AM

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