The blueprint of a concrete patio has a scale of 2 in. equals 3 ft. You want to find the dimensions of a new blueprint of the patio with a scale of 4 in. equals 5 ft. What is the first step in finding the dimensions with the new scale?
a) Scale up the dimensions
b) Scale down the dimensions
c) Calculate the area of the original patio
d) Calculate the perimeter of the original patio