2 years ago

If the original number is 15 and the new number is 5, what is the percent decrease?

Mathematics

1 answer:

choli [55]2 years ago

5 0

66.67% decrease. you take the new number and put it over the old number, and then simplify and you have your answer.

You might be interested in

The owner of a small store buys coats for $55.00 each. Answer parts a and b. a. She sells the coats for $99.00 each. What perc

scoundrel [369]

Answer:

180% ; 5

Step-by-step explanation:

Purchase price per coat = 55

Sales price per coat = 99

% of purchase price is sales price :

X% * 55 = 99

(x / 100) * 55 = 99

0.01x * 55 = 99

0.55x = 99

x = 99 / 0.55

x = 180

180% of purchase price

B.)

180% * 45 = 81 per jacket

Number of jackets to sell to make atleast $390 in sales

$390 / $81 = 4.8

Hence, 5 jackets

3 0

2 years ago

Select 3 ratios that are equivalent to 8:20

guapka [62]

Answer:

4:10, 2:5 16:40

Step-by-step explanation:

just multiply or divide

5 0

3 years ago

Using elimination, what is the solution to the following system?<br> 2x+4y=16<br> -2x-3y=-13

VikaD [51]

Answer:

x=2, y=3. (2, 3).

Step-by-step explanation:

2x+4y=16

-2x-3y=-13

-----------------

y=3

2x+4(3)=16

2x+12=16

2x=16-12

2x=4

x=4/2

x=2

8 0

2 years ago

The dolphins are feed 64 buckets of fish each day. The penguins are feed 1/8 as many buckets of fish as the dolphins. How many b

Sav [38]

Answer:

Step-by-step explanation:

You just gotta divide 64 by 8

4 0

2 years ago

NO LINKS!!!!! Write 5 summary for the data below. Show your work.

ankoles [38]

Answer:

$lower \: quartile = \frac{1}{4} \times 8 \\ = {2}^{nd} \\ = 3$

$upper \: quatile = \frac{3}{4} \times 8 \\ = 6 {}^{th} \\ = 7$

$median = \frac{1}{2} \times 8 \\ = 4 {}^{th} \\ = 5$

5 0

2 years ago