7 Store A offers a DVD for $19.95. Store B offers the same DVD for $22.50 with a 20% discount. Which is the better deal, and what is the price at Store B?

Store B has a better deal

Step-by-step explanation:

Store B has DVD's for $18 while Store A has DVD's for 19.95

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.

n=1.75+1.75

step-by-step explanation:

3.5/2=1.75