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Inessa05 [86]
3 years ago
7

An invoice quotes a price of $620 subject to discounts of 30%,15% and 5%. What is the selling price? Round off your answer to th

e nearest cent
Mathematics
1 answer:
Semenov [28]3 years ago
5 0
The answer is $350.46
 steps:
the original price is $620
so first you were discounted 30% so :
620*30%=186 ( this tells you how much money was taken off after the 30% discount)
then you subtract that from the original amount ( 620-186= 434)
now your new amount is $434 so your next discounted amount was 15% repeat the same process: 434*15%=65.1 then (434-65.1=368.9)
finally, you multiply 368.9 with 5% ( 368.9 *5%= 18.445)
--> continue as you did before ( 368.9-18.445=350.455) round it to nearest cent you get your final answer 350.46





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Mars2501 [29]

Answer:

You should make 250 quarts of Creamy Vanilla and 200 of Continental Mocha to use up all the eggs and cream.

Step-by-step explanation:

This problem can be solved by a first order equation

I am going to call x the number of quarts of Creamy Vanilla and y the number of quarts of Continental Mocha.

The problem states that each quart of Creamy Vanilla uses 2 eggs and each quart of Continental Mocha uses 1 egg. There are 700 eggs in stock, so:

2x + y = 700.

The problem also states that each quart of Creamy Vanilla uses 3 cups of cream and that each quart of Continental Mocha uses 3 cups of cream. There are 1350 cups of cream in stock, so:

3x + 3y = 1350

Now we have to solve the following system of equations

1) 2x + y = 700

2) 3x + 3y = 1350

I am going to write y as function of x in 1) and replace it in 2)

y = 700 - 2x

3x + 3(700 - 2x) = 1350

3x + 2100 - 6x = 1350

-3x = -750 *(-1)

3x = 750

x = 250

You should make 250 quarts of Creamy Vanilla

Now, replace it in 1)

y = 700 - 2x

y = 700 - 2(250)

y = 700 - 500

y = 200.

You should make 200 quarts of Continental Mocha

7 0
3 years ago
What is five thirds of a right angle
scoray [572]
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Answer:

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Step-by-step explanation:

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A party planner is preparing gift bags for an event. She has purchased a large box of individually wrapped chocolates to divide
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Mr.jacobs budgeted $1,200 for tiles. His sketch of the floor requires him to use 38 white tile. each white tile cost $12. Write
Arturiano [62]
Given: 
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number of white tiles = 38
unit cost of white tiles = 12
budget for brown tiles = x

cost of white tiles = 38 x 12 = 456

The inequality would be:

Cost of brown tiles + cost of white tiles <u><</u> budget
x + 456 <u><</u> 1,200

solving the inequality:
x + 456  <u><</u> 1,200
<u>   - 456        -456</u>
x      <u><</u> 744

Mr. Jacobs can spend up to 744 for the brown tiles.
8 0
3 years ago
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