The sum A is equal to the sum of all odd numbers
between 1 and 99:
A = 1 + 3 + 5 + 7 + . . . + 99
The sum B is equal to the sum of all even numbers between 2 and
100:
B = 2 + 4 + 6 + 8 + 10 + . . . . + 100.
Q1: Which sum is larger: A or B?
Q2: By how much is one of the sums larger
than the other?
The Solutions
Question 1: B
Because all the numbers in group B are bigger
than group A.
Question 2: 50
Each group has 50 numbers.
Each number in group B is one ahead of group
A.
1 * 50 = 50
School: King Elementrary School
Name: justin
Age: 7
Grade: 2
State: Michigan
