Respuesta :
Answer:
400 pounds
Step-by-step explanation:
there is 3 groups of 4 in 12, so 50 x 2 = 100, that's once, 100 x 2 is 200. 200 x 2 is 400, so there's 400 pounds.
Answer:
There will be 800 hundred pounds.
Step-by-step explanation:
First 4 hrs doubles do goes up to 100.
After 4 more hours, 100 doubles so now we are at 200.
After 4 more hours, 200 doubles so now we are at 400
After 4 more hours, 400 doubles so now we are at 800.
Alll 12 hrs have gone by and we are at 800.