Problem:
Given that 1 mile =8 furlongs and 1 furlong =40 rods, the number of rods in one mile is
Answer Choices:
A. 5
B. 320
C. 660
D. 1760
E. 5280
Solution:
1mile=8furlongs=8×(1furlong)=8×(40rods)=320rods.
OR
1mile×1mile8furlongs×1furlong40rods=(8×40)rods=320rods.
Answer: B.
The problems on this page are the property of the MAA's American Mathematics Competitions