Question

The length of the entry path is 107 inches and the length of the exit path is 96. What is the total length of both the paths?
Use a mental math strategy to find the answer quickly.

• A. (i) 6 (ii) 100 (iii) 203 (iv) 207
• B. (i) 4 (ii) 100 (iii) 207 (iv) 203
• C. (i) 4 (ii) 92 (iii) 199 (iv) 203
• D. (i) 5 (ii) 92 (iii) 199 (iv) 207

Answer 1

The correct option is B (i) 4 (ii) 100 (iii) 207 (iv) 203

Length of the entry path $=107\text{inches}$
Length of the exit path $=96\text{inches}$
Total length $=107+96$
Using the mental math ability of compensation, we can solve the question.Therefore, the total length of the entry and exit path is 203 inches.
Option D (i) 4 (ii) 100 (iii) 207 (iv) 203 is the correct answer.