If three consecutive integers have sum 54 what is the smallest one?
A ) 17 ✅
B ) 18
C ) 21
D ) 22
RULE
Three consecutive integers:
• Middle number = Sum ÷ 3
• Smallest number = (Sum ÷ 3) − 1
• Largest number = (Sum ÷ 3) + 1
Example:
Sum = 54
Middle = 54 ÷ 3 = 18
Smallest = 18 − 1 = 17
Largest = 18 + 1 = 19
Answer = 17