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3 years ago

An automobile has a price of $16,000 after being discounted 20%. what is the original price?

1 answer:

6 0

$16,000 / (100% - 20%) = $16,000 / .8 = $20,000
to verify, work the answer backwards.
$20,000 - $20,000 * 20% = $20,000 - $4,000 = $16,000

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The license plates on all karts in MarioLand contain three numbers followed by three letters. If you know that the MarioLand num

iogann1982 [59]

Answer:

It can be created 1575 license plated with at least one three-piece palindrome.

Step-by-step explanation:

If a license plates has at least one three-piece palindrome, we have the following cases:

1. The license plate just has a palindrome in the three numbers: The number license plates for this case can be calculated using the rule of multiplication as:

5 * 5 * 1 * 3 * 3 * 2 = 450

1st Number 2nd 3rd 1st Letter 2nd 3rd

For have a palindrome in the numbers, the first and the 3rd number need to be the same. So, we have 5 digits for the first and the 2nd Number and one digit for the 3rd Number.

On the other hand, if the palindrome is just in the numbers, the 3rd letter need to be different from the 1st. So we have 3 options for the 1st and the 2nd letter and 2 options for the 3rd letter.

At the same way, we can calculated the number of license plates for the other cases:

2. The license plate just has a palindrome in the three letters:

5 * 5 * 4 * 3 * 3 * 1 = 900

1st Number 2nd 3rd 1st Letter 2nd 3rd

3. The license plate has a palindrome in the three numbers and in the letters:

5 * 5 * 1 * 3 * 3 * 1 = 225

1st Number 2nd 3rd 1st Letter 2nd 3rd

Then, It can be created 1575 license plates with at least one three-piece palindrome and it is calculated as:

450 + 900 + 225 = 1575

5 0

3 years ago

A volleyball team played 28 matches and won 21 of them. What percent of their matches did they win ?

Mazyrski [523]

They won 75% of the matches.

21/28= 0.75

5 0

3 years ago

Line that passes through (-2,1) and (4,13)

Delvig [45]

Whats the question??

6 0

3 years ago

Can you find a number that satisfy the following property?

Morgarella [4.7K]

Answer:

Step-by-step explanation:

Let the number be x.

Then by the question,

2x+4 = 3x-7

x=11

3 0

3 years ago

Read 2 more answers

(x) = 3x + 5, what is the value of f (5)?

borishaifa [10]

Answer:

the answer is 20 .put the 5 in place of x

and u always remember that f(5) =f(x)

Step-by-step explanation:

4 0

3 years ago