Just plug in 500 for p, 0.2 for r (because 20% is equivalent to 0.20), and 2 for t:

So, if you start with $500 and charge an interest rate of 20% for 2 years, you will gain $200 to get $700 in total.
LolAnswer:
Step-by-step explanation:
1/10 of .9 is the same as dividing .9 by 10.
.90 / 10 = .09
.09 is the answer
3 x 3 = 9
3 + 3 = 6
Explanation:
3 works for both cases