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Tems11 [23]
3 years ago
12

What is 80% more than 20.00

Mathematics
2 answers:
AlekseyPX3 years ago
5 0
Answer is 36.
20 * 80/100 = 16
20+16=36
Mamont248 [21]3 years ago
5 0
<h2>Answer:</h2>

             80% more than 20 is:

                             36

<h2>Step-by-step explanation:</h2>

80% more than twenty means that there is an addition of 80% of 20 to the amount 20.

i.e. we have to calculate 80% of 20 and add it to 20 to get the total amount.

Now, 80% of 20 is:

=\dfrac{80}{100}\times 20\\\\\\=\dfrac{1600}{100}\\\\\\=16

Now, 80% more than 20 is equal to:

             20+16=36

    Hence, the quantity is:

               36

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3 years ago
Sarah’s age increased by twice bob’s age is 42
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6 0
3 years ago
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In 20 words or fewer, can 8 • 7 • 6 be written as 8! . . . and why or why not?
grin007 [14]

Answer:

No, because factorials are product of all positive integers less than or equal to a given positive integer.

5 0
3 years ago
Please help. Will give brainliest.
evablogger [386]
Alright, so you have the basic formula- good.
You have the A value (400), the interest rate r (7.5% -> .075 in decimal), and the final P value (8500). So, we only need to solve for t.

8500 = (400)(1+.075)^t
/400      /400
21.25 = 1.075^t
logarithms are the inverse of exponents, basically, if you have an example like
y = b^x, then a logarithm inverts it, logy(baseb)=x
Makes sense if you consider a power of ten.
1000 = 10^3
if you put logbase10(1000), you'll get 3.
Anyways, though, to solve the problem make a log with a base of 1.075 in your calculator
log21.25(base 1.075) = t
also, because of rules of change of base (might want to look this up to clarify), you can write this as log(21.25)/log(1.075) = t
Thus, t is 42.26118551.
Rounded to hundredths, t=42.26
6 0
3 years ago
Give one example of when you would use the friendly numbers strategy to subtract. Explain why.
ziro4ka [17]

In the <span>addition process</span> this usually involves:

<span><span>rounding numbers up to the nearest multiple of 10 or 100 </span>subtracting the extras that were added at the end.</span>

In the subtraction process this usually involves subtracting too much and completing the calculation by putting some back.


6 0
3 years ago
Read 2 more answers
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