Question

What is the first number of four consecutive number series if the sum of the numbers is 810?

pls help me

Answer 1

The first number is 201.

Explanation:

Let the consecutive numbers be x, x+1, x+2 and x+3, then:

x + x +1 + x + 2 + x + 3 = 810

4x + 6 = 810

4x = 804

x = 201.