Find the sum of four consecutive numbers, starting with 17.
Show hints
- Write the next three numbers after 17.
- Add 17 + 18 + 19 + 20.
Show the answer and solution
Answer: 74
The four numbers are 17, 18, 19, and 20. Their sum is 74.
Arithmetic · Grade 3
Find the sum of four consecutive numbers, starting with 17.
Answer: 74
The four numbers are 17, 18, 19, and 20. Their sum is 74.
Next problem: A triangle has a perimeter of 40 centimeters. Two sides are 12 and 15 centimeters. How long is the third side?