Centennial Park in Fernville is a rectangle measuring 87.5 meters by 56.2 meters. a. What is the perimeter of the park?

b. What is the area of the park?

Help would be appreciated!! :)

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters