Answer:
Every 30 years you'll have half left
After 30 years = 900 grams
after 60 years 450 grams
Step-by-step explanation:
You add all the percentages up and it will give you 64. take 64 and put it over 100 because percentages as a fraction will always be the amount over a 100.
so its 64/100 multiply by 4000/1. 64*4000= 256000 over 100. 256000 divided by 100 = 2560
$2560
The least common denominator is 1.
Answer:
Step-by-step explanation:
we know that
using proportion
