Explanation:
If the shipping fee is one time than start by subtracting 4.25 from 70.25
70.25-4.25= 66
Now 66 it the total the pictures cost alone without shipping.
To find the amount Fred ordered divide 66 by 5.50 because 5.5 is the amount each picture costs
66 ÷ 5.5 = 12
Fred ordered 12 pictures.