How do you know which operation to choose when solving a real ­life problem?

whatever operation u used , execpt decimals

Step-by-step explanation:

real world problems are just like normal math, with rulrs

1. when your dealing with people,  round the decimal up or down and put it in the operation, if the answer fits use it,  same with money

2. fractions are, mixed can be converted into decimals, like 0.25, 25% as 1/4, or 1.25, 125% or 1 1/4

(-5,-28)

i graphed to on desmos.