Find each percent decrease. Round to the nearest percent. From 20 miles to 11 miles

Mathematics

2 answers:

Ahat [919]3 years ago

7 0

The answer is 45%. The miles went down 9 miles, so you do 9/20, or 45%

hjlf3 years ago

4 0

First we should find the percent that this number of miles are currently at:
20n = 11
n = 11/20
n = 0.55
1 - 0.55 = 0.45
A 45% decrease

You might be interested in

A man and woman share money in the ratio 3:2 if the sum of money doubled in what ratio should be divided so that the man should

Valentin [98]

Answer:

6:4

Step-by-step explanation:

3 x 2 = 6

2 x 2 = 4

6:4

6 0

2 years ago

Read 2 more answers

What is the probability of pulling a heart

maw [93]

Answer: The probability of drawing a heart out of the deck is 13/52, or 1/4. The probability of drawing an even number as card #2 (c∈{2,4,6,8,10}) for any suit is 20/51, except when the first card drawn is an even heart, then the probability of the second draw is 19/51.

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

What is the value of - 2/5 ÷ 3/4

wlad13 [49]

Answer:-8/15

Step-by-step explanation:

5 0

2 years ago

What is the value of X if 9^x^-^1-2=25?

nadezda [96]

Answer:

$\frac{5}{2}$

Step-by-step explanation:

First, add two to both sides to get $9^{x-1}=27$

There are two ways to solve this from here

Think about what power you would have to raise 9 to to get to 27. $9^{\frac{1}{2}}$ = 3 and $3^3=27$ . So, multiplying the powers (because it is a power to a power) you get $9^{\frac{3}{2}}=27$ . This means that $x - 1 = \frac{3}{2}$ or x = $\frac{5}{2}$ .
Take the log of both sides.