Do a ratio dude:
12.2 19.5
------- = ------
200 x
Solve, and you get that x is approx equal to 320 mg.
Focus and make sure you understand even if it takes a while to get it keep it refreshed in ur head just stay on topic
Answer:
1.6% growth rate
43.75 years = doubling time.
Explanation:
40-24 = 1616/1000 = 0.016 x 100 = 1.6% growth rate
70/1.6 = 43.75 years = doubling time.
