Sara has x dollars and Dina has 15 dollars less than Sara . Together the numberof dollars they have is?
Mathematics · Middle School · Thu Feb 04 2021
llm
Answered on
Given : Sara has x dollars
and, Dina has 15 dollars less than Sara, that means Dina has (x -15) dollars
Sum of their money = x + x - 15
= 2x -15
Hence, together they 2x-15 dollars.