Question

Please someone can help me with question # 3 and check out if # 9 is correct. Thanks

Answer 1

#3-(b)
#9-correct
(b) is correct

Answer 2

3) 3.5 inches represents 10 miles
    The ratio is 3.5:10
    Let the distance represented by 7 inches = x
 The ratio is 7:x
 ⇒3.5:10 = 7:x
⇒3.5x = 7×10
⇒3.5x = 70
⇒x = 70/3.5
∴x = 20 miles
∴B is the correct answer.
Your 9th answer is right