Answer:
yes because 0.5 is 50%
Step-by-step explanation:
That's two half lives. 5/8 * 2 * 2 = 20/8 = 5/2 pounds7/8 * 2 * 2 = 28/8 = 7/2 pounds
Brainliest plz?
help with what? be sure to put everything you need to say into a question