Ralph is covering a bulletin board with colored sheets of paper. the ratio of the number of sheets of red paper to the number of sheets of pink paper is 1 to 3. how many sheets of pink paper will ralph need if he uses 3 sheets of red paper? a. 6 b. 8 c. 9 d. 12

Ralph will need 9 sheets of pink paper

Explanation:

The red paper to pink paper ratio is 1 to 3. This means that for every 1 piece of red paper, there are 3 pieces of pink paper. Since there are 3 pieces of red paper that Ralph has, you multiply 3 times 3 to get 9 pieces of pink paper.