Answer
9 curtains
Work Step by Step
Step 1) 4(36) = 144 ... 1 yard = 36 inches; so if you have 4 yards multiply 4 by 36 to convert it into inches
Step 2) 144 ÷ 16 = 9 ... Each curtain takes 16 inches of fabric, so you could make 9 curtains with 144 inches of fabric
Step 3) 9 curtains ... Final Answer