Vinod climbs 60 steps in 40 seconds. At that rate, how many steps could he climb in 150 seconds?	Choose the correct option:
A) 223
B) 221
C) 222
D) 224
E) 225
Solution:   Let's calculate the steps he climbs per second: 60:40 = 1.5   So he climbs 1.5 steps per second.   For 150 seconds Vinod climb: 1.5 × 150 = 225   Answer 225
<result>E</result>
Vinod climbs 60 steps in 40 seconds. At that rate, how many steps could he climb in 150 seconds?