An equation: 2x=3
an expression: 2x+5
Answer:
18.7 years
Step-by-step explanation:
This is a compound interest problem and the following variables have been given;
Principal = 4000; this is the amount o be invested
APR = 9%; this is the compound interest to be earned
Accumulated amount = 20,000
We are required to determine the duration in years. We apply the compound interest formula;


The next step is to introduce natural logarithms in order to determine n;

The number of years required is thus 18.7 years
Answer:
Option A: 6.23 x 1012
Step-by-step explanation:
Please check provided image.
Wouldn't the formula be a×b/2?
Divide 7 by 8 then multiply what you get by 100.