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Answer:
$
Step-by-step explanation:
You want to calculate the interest on $40000 at 5.7% interest per year after 17 years.
The formula we'll use for this is the simple interest formula, or:

Where:
- P is principal amount, $40,000
- r is the interest rate, 5.7% per year, or in decimal form,

- t is the time involved, 17 years
To find the simple interest we multiply
to get
The interest rate is $38,760
Usually now, the interest is added onto the principal to figure some new amount after 17 years.
or 40000.00 + 38760.00 = 78760.00
=$78,760
Answer:
Step-by-step explanation:
c = 50 + 0.25m
The answer is (6/25). I just multiplied the 2 numbers, but I'll explain with something simpler:
Take the number 100, let's say I want (1/10) from that 100,
and from that (1/10), I want (4/5).
Well a tenth of 100 is 10, and four fifths of 10 is 8, thus we have 8/100 as a total (or 4/50)
The same answer can be found when multiplying (1/10) and (4/5), giving us (4/50) or (8/100)