Question

What are chris's errors?

Answer 1

Length of part A:-

• 9+2+3+1
• 9+6
• 15units or 15in

Length of path B

• 1+2+1+1+2+6+1
• 14in

Now convert to miles

Path B:-

• 14/4=3.5mi

Path A:-

• 15/4=3.7in

Chris may made error in decimals

• Actual difference is 0.2 mi
• He may removed 0 from left so he got 2