Answer:
Step-by-step explanation:
100(1.35(0.8)p-p)/p=8%
Since this is positive the dealer makes an 8% profit.
Option A
The simple interest earned over 6 years is $ 4050
<em><u>Solution:</u></em>
Martha invested a principal amount of $15,000 into a savings account that earns simple interest at a rate of 4.5% per year
<em><u>The formula for simple interest is given as:</u></em>

Where, "p" is the principal and "n" is the number of years and "r" is the rate of interest
From given,
p = 15000
r = 4.5 %
n = 6 years
<em><u>Substituting the values we get,</u></em>

Thus simple interest earned over 6 years is $ 4050
3×(60+7)
(3×30) + (3×7)
90 + 21 = 111
Answer:
137,000
Step-by-step explanation:
its math bro