Tip
When solving an estimation problem, round the numbers as close to the given number as possible.
Sample Problem
In 1950, Seattle received 55.14 inches of precipitation. In 1952, Seattle received 23.78 inches of precipitation. Which of the following is closest to how many more inches of precipitation Seattle received in 1950 than in 1952?
Answer Options
(A) 30
(B) 31
(C) 32
(D) 33
(E) 34
View Correct Answer
(B) 31
Rounded to the nearest whole, 55.14 becomes 55, and 23.78 becomes 24. So 55.14 - 23.78 is approximately equal to 55 - 24 = 31.
