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Jobisdone [24]
3 years ago
6

Betty took a doll she inherited from her grandmother to the antique store. The dolls original price tag says $6.80. The antique

store said the doll was worth $84.00. What was the percent increase in price? Round to the nearest hundredth percent.
Mathematics
1 answer:
mariarad [96]3 years ago
5 0
There was a 12.35% increase in the price.
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A clothing store put a sales price of $48 on a purse. Before the markup, the store paid $40 for the purse. What percent markup d
Nimfa-mama [501]

Answer:

20% mark up

Step-by-step explanation:

[(48-40)/40]×100%= 20%

8 0
2 years ago
What is the pressure in atmospheres exerted by a 0.500 mole sample of nitrogen gas in a 10.0 L container at 25.0°C?
drek231 [11]

Answer:

1.2218 atm

Step-by-step explanation:

From ideal gas formula,

PV=nRT

Where n= number of moles

V= volume

T= temperature=25.0°C

= (273 + 25) = 298 K

R= gas constant = 0.082 l atm /K mol.

Making P subject of formula we have

P= [nRT] /V

Then substitute the values we have

P= [0.5 x 0.082 x 298] / 10

P= 1.2218 atm

6 0
3 years ago
Is 12/30 and 18/45 proportional, or not proportional?
34kurt

12/30 = 18/45, so first you're going to cross multiply and you'll get (30)(18) = (12)(45). Then you can see that 540 = 540 same number so they're proportional...

BTW THIS WAY IS A LOT EASIER.

12/30 = 2/5

18/45 = 2/5

So yes, in summary, they're proportional to each other. Hope this helps, have a BLESSED and wonderful day! :-)

5 0
3 years ago
Read 2 more answers
What is .2272 as a percent?
Nadusha1986 [10]

Answer:

22.72%

Step-by-step explanation:

you multiply the decimal by 100...ie you move the decimal point to the right twice to get your percent

8 0
3 years ago
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You plan to go bowling at grand station. It cost $3 to rent shoes and $4 per game. You want to spend exactly $35 to use all your
raketka [301]
You can play 5 games to spend exactly $35
3 0
3 years ago
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