5. Shari and Juan are in charge of the art classes for summer camp. They plan to have the children make flowers out of construction paper. They have decided to let the 10-year-olds cut out the circles, each 3 inches in diameter，for the centers of the flowers. If the pieces of construction paper are 9 inches by 12 inches, and the circles are laid out as shown below, what is the least number of pieces of construction paper Shari and Juan will need for the centers of 50 flowers?
Your Answer is
Correct Answer is E
Explanation
The length of each piece of paper is 12, the width is 9, and the diameter of each circle is 3, so a piece of paper can cut 3×4=12 circles, so at least 5 pieces of paper are needed to cut 50 circles, so Choose E