3
Q:
A) 19 minutes | B) 20 minutes |
C) 18 minutes | D) 21 minutes |
Answer: A) 19 minutes
Explanation:
Explanation:
Inspector s 228 meter behind the thief and now aftersome x distance he will catch the thief. So
x/30 = 228+x/42 => x = 570 m
(228 + 570) / 42 = 19 min