2 years ago

How to change decimals to percentages

Mathematics

1 answer:

iragen [17]2 years ago

7 0

You move the decimal point over 2 spots to the right.

For example, the value 0.03 becomes 3%

Another example: 0.789 turns into 78.9%

Moving the decimal over 2 spots to the right is the same as multiplying by 100

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Backpack is normally $64.99, put on sale it is marked down to $45.49 what percent off is the sale price

pogonyaev

Answer:

The percent off on the sale price is 30%.

Step-by-step explanation:

Marked up price = $64.99

marked down Price = $45.49

Let us assume the off percentage = k%

Now, the Amount off on the sale = Marked up price - Marked down price

= $64.99 - $45.49 = $19.5

⇒ k% off on Marked up Price $64.99 = $19.5

or, $\frac{k}{100} \times 64.99 = 19.5\\\implies k = \frac{19.5 \times 100}{64.99} = 30$

or, k = 30%

Hence, the percent off on the sale price is 30%

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2 years ago

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Answer:

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Masteriza [31]

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2 years ago

The Franz family paid 15.70 $5 for 3 movie tickets how much would they have paid for 12 tickets

gogolik [260]

$20
I got it by dividing 12 tickets÷3 which equals 4. Then I multiplies 4×$5= $20

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3 years ago

Find the inverse function of h(x) = -2/3 x + 6.

Tatiana [17]

Hello,
H^(-1)(x)=-3/2 x+9
Answer A
Indeed:

y=-2/3x+6-->x=-2/3 y +6 ==>3x=-2y+18==>2y=-3x+18==>y=-3/2 x +9

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3 years ago

How to change decimals to percentages​

How to change decimals to percentages