The expression .25(2d+1) represents the fines per day, d, for overdue books. Which expression is equivalent to .25(2d+1)? Name the property that describes the equivalent expression.

A. .252d+1
B. .50d+.25
C. 2d+.25
D. .50d+1

Thanks so much if your respond!
I mostly need help on the name the property.

Respuesta :

B.
This is something called the distributive property. How do you do that?

Multiply the number outside the parenthesis in this case; .25. to the number within the parenthesis; the coefficient "2d" and "1".

Therefore, it's .50d+.25. Hope this helps!