x is an integer.

A bag contains green, blue and yellow glass marbles.

The ratio of green to blue glass marbles is 2 : 7.

The ratio of green to yellow glass marbles is 3 : 5.

At a store A, of the apples are red. At store B, which has twice as many apples, 0.375 of them are red.

Dick takes twice as long as Jane to run any given distance.

Starting at the same moment, Dick and Jane run towards each other from opposite ends of the schoolyard, a total distance of x, at their respective constant rates until they meet

In rectangle A, the ratio of the length to the width is 3: 1. In rectangle B, the ratio of the length to the width is 4: 1. The area of rectangle A is 27 percent of the area of rectangle B. The perimeter of rectangle A is v percent of the perimeter of rectangle B.

The ratio of the number of male and female workers in a company in 2002 was 3 : 4. The ratio of the number of male and female workers in 2003 was 10 : 7.

x and y are expressed as decimals. When (x+y) is rounded to hundredth decimal place, it is equal to x.

The total cost of 3 bananas, 2 apples, and 1 mango is $3.50. The total cost of 3 bananas, 2 apples, and 1 papaya is $4.20. The ratio of the cost of a mango to the cost of a papaya is 3 : 5.

The numbers a, b and c form a sequence such that b is 3 more than a, and c is 9 more than b.

Also

The ratio of red marbles to blue marbles in a jar is 3:5. The same number of red and blue marbles were added to the jar.