a local copy center charges $.45 per square foot for enlargements of pictures. a customer wants an 8 inch x 10 inch photo enlarged to 16 inches by 20 inches. how much would the enlarged photo cost. (144 square inches = 1 square foot)

Question

campbell_st · Answer

find the area of the enlarged  photo...  16 x 20

then divide it by 144 ( 1 square foot) 

this will give the number of square feet in the enlargement. 

When you have that number multiply it by 0.45 to find the cost in dollars and cents