What is the sum of number m and three previous numbers?

m + m-1 + m-2 + m-3

Step-by-step explanation:

Lets say m is 5

It would be 5 + 4 + 3 + 2

Each number is either one, two, or three less than 5.

This goes with m.

Step-by-step explanation:

$2.770,00. Hello friend, for reach that answer you have to add all values:

200+150+250+260+285+380+200+225+200+250+220+150= 2770.

It will be easier if you do ir by parts, like:

(200+150) + (250+260) + ...

Thank you for asking!

Have a nice day.