Section 8 Category 44

Conversation factors or setting up proportion may not be required for every question.


Example 2 - mental math

Taxi A: Since 15 minutes is one-fourth of 60 minutes (1 hour), miles will also be one-fourth = 40/4 = 10.

Taxi B: Since 15 minutes is one-fourth of 60 minutes (1 hour), miles will also be one-fourth = 30/4 = 7.5.

Distance = 10 + 7.5 = 17.5.