Each side of a square courtyard is 16 meters long. It costs $14.00 per meter to replace the brick wall around the courtyard. How much would it cost to replace the brick wall?

$3584

Step-by-step explanation:

We need to first find the area of the courtyard. We know that Area = length * width, so:

16 * 16 = 256 meters

Now, multiply by $14 to find total cost:

$3584

4

step-by-step explanation:

36 girls

step-by-step explanation:

the 48 boys is 4 parts of the ratio

divide 48 by 4 to obtain one part of the ratio

= 12 ← 1 part of the ratio

3 parts = 3 × 12 = 36 ← number of girls