It's 0,3 hope this is right!!!
Step-by-step explanation:
Let x be the principal amount.
Simple Interest Formula:

where a = final amount
p = principal amount
r = annual interest rate
t = time taken in years.
given a = 3x, p = x, t = 25, substitute a,p and t into formula.

8%*
Answer:
A
Step-by-step explanation:
Essentially, to use the method of division the question is mentioning you need to divide 21 by 3/4. Use fraction rules to divide meaning (21*4/3). This gets you m + 12 = 84/3. If you simplify the right side you get 28. Thus, the final answer is the first option choice.
Hope this helped :)
40.46 but IM NOT SURE if it’s wrong I’m super sorry