Question

Which expressions describe the area of the shaded region? Select all that apply.

A rectangle is divided into 12 columns and 6 rows, making 72 smaller rectangles. An area that includes 9 smaller rectangles and is the intersection of 3 of the 12 columns and 3 of the 6 rows is shaded.

(1 point)
Responses

312×36

3 12 × 3 6

310×12

3 10 × 1 2

14×12

1 4 × 1 2

14×13

1 4 × 1 3

412×36

4 12 × 3 6

Answer 1

Select the expressions equal to 1/8 (the shaded area = 9/72 = (3/12)(3/6)):

- 3/12 × 3/6 (shown as "312×36" and "3 12 × 3 6")
- 1/4 × 1/2 (shown as "14×12" and "1 4 × 1 2")

The other options do not equal 1/8.