Respuesta :

Answer:social and economic changes that mark the transition from a stable agricultural and commercial society to a modern industrial society relying on complex machinery rather than tools.

Step-by-step explanation:

Answer: x=40

Step-by-step explanation:

1/4× = 10

Divide both sides by 1/4

×= 10÷ 1/4

×= 10×4/1

×=40