In a group of adults, the ratio of women to men is 5 to 6, while the ratio of left-handed people to righthanded people is 7 to 9. Everyone is either left- or right-handed; no one is both.

The decimal continues forever in that repeating decimal pattern. When written as a fraction in lowest terms, , where a and b are positive numbers.

For positive numbers a, b, and c, and

The fraction with the number , when written in the lowest term is where a and b are positive numbers.

In 2011, it cost Tammy $1.30 to manufacture each copy of her magazine, which she sold for $2.30. In 2012, it cost Tammy $1.50 to manufacture each copy of the same magazine, which she sold for $3.00.

wxy is different from zero

3w=4x, 4y=3x

Four friends win $120,000 in the lottery, and they divide the winnings in a 1:2:4:5 ratio.

For positive numbers X,Y, and Z, and

In a 200 member club consisting of men and women, exactly 20% of men and exactly 25 % women are homeowners.

Yesterday, a certain school had an equal number of boys and girls. Today, 18 boys left the school, and the ratio of the number of boys to girls is now 3 to 4.