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attashe74 [19]
3 years ago
11

I need help plz with this

Mathematics
1 answer:
madam [21]3 years ago
5 0

Answer:

a) 390

b)108

I hope this answer was helpfull for you

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The regular price of a dvd is $24?. During a sale, the price of a dvd is marked down 30%. What will the sale price of the dvd?
Tatiana [17]

If a $24 dvd is marked down by 30% then the cost of the dvd would be 70% of the original cost. 100% - 30% = 70%

70% of 24 can be expressed as 0.7 x 24.

The answer is $16.80.

Hope this helps :)

4 0
3 years ago
What happens to the value of the expression 150-j150−j150, minus, j as jjj decreases?
nikklg [1K]

Answer:

The value of the expression increases as j decreases

Step-by-step explanation:

Let f(j) = 150 - j150 - j150

f(j) = 150 - j300

As j decreases, the value of j300 decreases (i.e the farther j300 is from 150). Due to the wider gap between 150 and j300, the value of f(j) increases.

For example:

When j = 1, f(j) = 150 - (300*1) = -150

When j = 0.5, f(j) = 150 - (300*0.5) = 0

When j = 0. f(j) = 150 - (300*0) = 150

It is obvious from the analogy above that the expression 150-j150−j150 increases as j decreases

4 0
3 years ago
If 28% of a sum is 100.80 what is the sum
Sveta_85 [38]
$360.00*.28= 100.80 

<span>Or do a portion  </span>

<span>28%/100%=100.8/x </span>

<span>Then cross multiply </span>

<span>10080=28x </span>

<span>x=360</span>
4 0
3 years ago
Please help! What is -9/5 - (-9/5)? A. 0 B.2 C. 18/5 D. -18/5
Pie

Answer:6

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
a store received 12 boxes of doughnuts. Each box contained 12 doughnuts. Which expression represents how many doughnuts there ar
Pachacha [2.7K]

Answer:

12x12=144 doughnuts

Step-by-step explanation:

3 0
3 years ago
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