On July 1st the ratio of men to women in Club X was 9 to 20. During the month, 2 additional men and 2 additional women joined the club, and no members dropped out.
Column A Column B
The ratio of men to women in
Club X at the end of July 1/2
A．if the quantity in Column A is greater
B．if the quantity in Column B is greater
C．if the two quantity are equal
D．if the relationship cannot be determined from the information given
If x ispercent more than y, then y is what percent less than x ?
FAMILY X'S EXPENDITURES AS A PERCENT OF ITS GROSS ANNUAL INCOME *
Family X's gross income is the sum of Mr. X's income and Mrs. X's income. In 1983 Mr. and Mrs. X each had an income of $25,000. If Mr. X's income increased by 10 percent from 1983 to 1984, by what percent did Mrs. X's income decrease for the same period?