the cost of a dress is partialy constant and partly varies with the amount of time it takes to make the dress , if the dress takes...
(5y+2)(y+4)
2(x+2)-3(x-4)
1-20
(x-3)(x-3)
500 (50x) ²
(x-1)(x-3)
500 (50x × 2)
1000/(x-30) = 400
(3x-1)(2x+4)
