Question

some friends are picking up trash at a park. the friends divide the park into a grid. they have already picked up trash in the shaded squares. the friends want to say they picked up trash in \\(\frac{1}{2}\\) of the park. what should they do? nothing. they have already picked up trash in \\(\frac{1}{2}\\) of the park. pick up trash in 1 more square. pick up trash in 2 more squares. pick up trash in 3 more squares.

Explanation:

Step1: Count total grid squares

Count the total number of squares in the grid: $4 \times 4 = 16$

Step2: Count shaded squares

Count the already shaded (cleaned) squares: $7$

Step3: Calculate half the grid

Find $\frac{1}{2}$ of the total grid: $\frac{1}{2} \times 16 = 8$

Step4: Find needed additional squares

Subtract shaded squares from half the grid: $8 - 7 = 1$

Answer:

Pick up trash in 1 more square.