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Butoxors [25]
3 years ago
5

Elsa's store purchased a sofa at a wholesale price of $350, and sold it for $630. What is the percent of markup?

Mathematics
1 answer:
nataly862011 [7]3 years ago
8 0

Answer:

980%

Step-by-step explanation:

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If (3a-5b) : (3a+5b)=1:4 then find the value of a:b​
rodikova [14]

Answer:

a : b = 25 : 9

Step-by-step explanation:

(3a - 5b) : (3a + 5b) = 1 : 4

Product of extremes = product  of  means

(3a - 5b) *4 = (3a +5b) * 1    {Distributive property}

3a * 4  - 5b*4 = 3a + 5b

12a - 20b = 3a + 5b

Add 20b to both sides

12a = 3a + 5b + 20b

12a = 3a + 25b

Subtract 3a from both sides

12a - 3a = 25b

9a = 25b

\dfrac{a}{b}=\dfrac{25}{9}

a:b = 25 : 9

5 0
3 years ago
mark has a board that is 12 feet long he cuts the board into 8 peices that are the same lenght. how long is each peice
VLD [36.1K]

Answer: So, all you have to do is divide in this situation. He starts with a board that is 12 feet long, keep that in mind. If he cuts that into 8 pieces it's like he is dividing. So 12 divided by eight or 12/8 would be 1.5. Your answer is that each piece would be 1.5ft long.

7 0
2 years ago
The population of a city is 2,500. If the number of males is 240 more than the number of females, how many males and females are
horsena [70]
2500 - 240 = 2260      
2260/2= 1130 or female count        1130 + 240 =  1370 or male count\
1370 + 1130 = 2500
7 0
3 years ago
A 16-ounce carton of milk costs 63 cents, while a half-gallon jug of milk sells for $2.24. How much more expensive, in cents per
hram777 [196]
1 quart of the 16oz jug is $1.26 (.63x2) 1 quart of the half gallon is $1.12 (2.24/2) so 1.26-1.12= 0.14 the 16oz jugs are 14 cents more expensive than the half gallon
5 0
3 years ago
A hose fills a 18-gallon tub in 3 minutes how long will it take to fill a 45 gallon tub
horsena [70]

Answer:

your answer should be 7 or 7.5 minutes.

Step-by-step explanation:

Hope this helps and have a great day

5 0
2 years ago
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