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Hitman42 [59]
3 years ago
13

Milli plans to rent a room for her birthday party for $40. The catering charge is $12 per person but there is no charge for Mill

i's meal since she is the guest of honor. If Milli has $100 to spend on her birthday party, how many guests can she invite?
Mathematics
2 answers:
Alex_Xolod [135]3 years ago
8 0
Milli can invite 5 guests to her birthday party.
nydimaria [60]3 years ago
4 0
Since the room cost $40 you would do $100 - $40 = $60 so she has $60 left and it cost $12 for each guest so 12 * 5 = 58 y= she can invite 5 guest to her party I hope this helped
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1. Dorothy bought a teddy bear and sold it at a 20% profit to Kim. Kim bought a suit costing $100 and dressed the teddy bear up
makkiz [27]

1. Dorothy paid $200 for the teddy bear

2. y is more than x by 33\frac{1}{3} %

Step-by-step explanation:

1. The given is:

  • Dorothy bought a teddy bear and sold it at a 20% profit to Kim
  • Kim bought a suit costing $100 and dressed the teddy bear up in the suit
  • Kim then sold the teddy bear in the suit to Karen for $442
  • Kim made a profit of 30%

We need to find how much Dorothy paid for the teddy bear

Assume that Dorothy bought a teddy bear for $x

∵ Dorothy bought a teddy bear for $x

∵ She sold it at a profit 20% to Kim

By using the ratio method

→  Buying price    :    Profit    :    Selling price

→  100%                 :   20%       :    120% ⇒ (100% + 20%)

→  x                         :                 :    ?

By using cross multiplication  

∴ 100% × Selling price = x × 120%

- Divide both sides by 100%

∴ Selling price = 1.2x

∴ Dorothy sold the teddy bear for $1.2x to Kim

∵ Kim bought a suit costing $100 and dressed the teddy bear

  up in the suit

∴ The cost of the teddy bear = 1.2x + 100

∵ Kim sold the teddy bear in the suit to Karen for $442

∵ Kim made a profit of 30%

By using the ratio method

→  Cost price    :    Profit    :    Selling price

→  100%             :   30%      :    130% ⇒ (100% + 30%)

→  1.2x + 100     :                 :    442

By using cross multiplication  

∴ (1.2x + 100) × 130% =  100% × 422

- Divide both sides by 130%

∴ 1.2x + 100 = 340

- Subtract 100 from both sides

∴ 1.2x = 240

- Divide both sides by 1.2

∴ x = 200

∴ Dorothy bought the teddy bear for $200

Dorothy paid $200 for the teddy bear

2. The given is:

  • x is less than y by 25%
  • Then y is more than x by how many percent

Assume that y is 100%

∵ y = 100%

∵ x is less than y by 25%

∴ x = 100% - 25%

∴ x = 75%

- The percentage of increasing of y = \frac{y-x}{x} × 100%

∵ The percentage of increasing of y = \frac{100-75}{75} × 100%

∴ The percentage of increasing of y = \frac{25}{75} × 100%

∴ The percentage of increasing of y = \frac{1}{3} × 100%

∴ The percentage of increasing of y = 33\frac{1}{3} %

y is more than x by 33\frac{1}{3} %

Learn more:

You can learn more about the ratio in brainly.com/question/4713715

#LearnwithBrainly

6 0
3 years ago
I've never even seen a box and whiskers plot before!! Should be pretty straight forward though. Thanks!
alisha [4.7K]
For a box and whispers plot, each section represents 25% of the data. Therefore, the area from 85-99 represents 25% of the data.

25% of 24 students= 6 students
Final answer: 6 students
7 0
3 years ago
Read 2 more answers
What number best completes both equations? 2/3÷3/10=_ _×3/10=2/3
dezoksy [38]
The answer would be 20/9
7 0
3 years ago
The population of a city decreases by 4.6% per year. If this year's population is
Andrei [34K]

Answer:

Your answer

313866

Mark it as Brainlist answer. Follow me to get more answer

Step-by-step explanation:

8 0
2 years ago
3 item 8 question 1 a pool in the shape of a rectangular prism is 6 meters long and 3 meters wide. the water in the pool is 1 me
Mashcka [7]
Part a)

The shape of the pool is rectangular prism, so the volume of the pool will be:

Volume = Length x Width x Depth

Volume = 6 x 3 x 1 = 18 cubic meters

Density of water = 1 gram per cubic centimeter
Density of water = 1,000,000 gram per cubic meter
Density of water = 1000 kilogram per cubic meter

Mass, volume and density are related by the following equation:

Mass = Density x Volume

Using the values, we can write:

Mass of water in pool = 1000 x 18 =18,000 kilogram

Part b)

Mass of water added to pool = 6000 kilograms
Density of water = 1000 kilogram per cubic meter

Volume = Mass/Density

Volume of water in the pool = 6 cubic meter

Since Volume = Length x Width x Depth

6 = 6 x 3 x Depth

⇒ Depth = 1/3 meters
5 0
3 years ago
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