To find the decimal, all you need to do is take the number on top and divide it by the one in the bottom. 129/3930=0.03
If it decreases by 80٪, then only 20٪ remains.
15×20٪=15×20/100=15×0.2=3
Answer: 3
Perimeter divided by base??
Answer:
A 6.4
Step-by-step explanation:
(4/5)/(1/8) this is the answer
