Marcia and Tamara are running a race. Marcia has run 4 kilometers. Tamara has completed the 3/4 of the race and is 2.5 kilometers ahead of Marcia. Write an equation that represents the relationship between the distances girl has run. Let k represent the total length of the race in kilometers.

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288