(n+1) + (n+3) + (n+5) + + (n+101)=2652
, this is for grade 5 practice cause i want to go to a good school and i need at this exercise so i understand it, can you also explain it in like the language of a 4th grader?

Cherie works in retail and her weekly salary includes commission for the amount she sells. the equation s=400+0.15c models the relation between her weekly salary, s, in dollars and the amount of her sales, c, in dollars. interpret the slope of the equation.