Answer:
A
Step-by-step explanation:
it's graphical represent is mistake.
Answer:

Step-by-step explanation:
You move the decimal place over 6 times for the first equation and 5 for the second equation.
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Answer:
The percentage rate per annum is 2.8%
Step-by-step explanation:
We need to multiply the principal by the time, then divide the interest by the product of P×T, so:
1,600 × 5 = 8,000
224 ÷ 8,000 = 0.028
Then we convert our final product to a percentage.
0.028 to a percent is 2.8%