A woman put $580 into a savings account for one year. The rate of interest on the account was 6½%. How much was the interest for the year in dollars and cents? (Round to the nearest cent)	Choose the most appropriate option.
A) $37.70
B) $47.70
C) $57.70
D) $67.70
E) $77.70
we have   6 1/2/100=x/580   Multiply the opposites:   6 ½ x 580 = 3770   we take   37.70/3770 .00   100   $37.70   correct answer $37.70
<result>A</result>
A woman put $580 into a savings account for one year. The rate of interest on the account was 6½%. How much was the interest for the year in dollars and cents? (Round to the nearest cent)