Respuesta :

1)20 hours and 2)30 hours

Answer:

1st one is A and Second is D

Step-by-step explanation:

35*2 is 70 so they made 70 cars in 2 hours so 70*10 is 700 and 10*2 hours is 20 and for the other one, 10*15 is 150 so 15*2 hours is 30 hours