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butalik [34]
3 years ago
11

Omar has a new credit card. He earns 300300300 reward points for every 100100100 dollars he spends. If omar earned 180018001800

reward points, how much money did he spend?
Mathematics
2 answers:
jeka943 years ago
5 0

Omar spent 600 dollars for earning 1800 reward points.

<em><u>Explanation</u></em>

Omar earns 300 reward points for every 100 dollars he spends.

Suppose, he spent  x dollar for 1800 reward points.

Now <u>according to the ratio of "amount of money spent" and "reward points"</u> , the equation will be......

\frac{x}{1800}=\frac{100}{300}\\ \\ 300x=180000\\ \\ x=\frac{180000}{300}=600

Thus, Omar spent 600 dollars for earning 1800 reward points.

lutik1710 [3]3 years ago
3 0

Answer:

600

Step-by-step explanation:

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The price of an Item has been reduced by $5.09. The new sale price is $41.03. What was the original price?
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Step-by-step explanation:

if you add 5 back to that number.

8 0
2 years ago
What is 33/7 as a mixed number
melamori03 [73]
33/7 is an improper fraction. 

To make it a mixed fraction, do this:-

How many times does 7 go into 33?

About 4 times.

4*7 = 28

4 is our whole number.

Now, subtract to get the numerator. 

33-28 = 5

4    5/7

Final answer:  4  5/7
5 0
3 years ago
Read 2 more answers
A balloon containing 0. 500 mol Ar at 0. 00°C and 65. 0 kPa pressure is expanded by adding more argon. Formula: PV = nRT (R = 8.
Nuetrik [128]

Using an ideal gas equation to solve the problem. Then the original volume is 17.67 liters.

<h3>What is an ideal gas equation?</h3>

An ideal gas is a theoretical composed of a set of randomly moving gas particles that interact only through elastic collision.

Given

A balloon containing 0.500 mol at 0. 00°C and 65.0 kPa pressure are expanded by adding more argon.

Pressure (P) = 65 kPa

Mole (n) = 0.5 mol

Temperature (T) = 0 °C = 273.15 K

Universal gas constant (R) = 8.317 L.kPa/mol.K

We know the ideal gas equation

\rm PV =nRT\\\\V \ \ = \dfrac{nRT}{P}

Put the values, we have

\rm V = \dfrac{0.5*8.317*273.15}{65}\\\\V = 17.67

Thus, the original volume is 17.67 liters.

More about the ideal gas equation link is given below.

brainly.com/question/4147359

8 0
2 years ago
Pupils at a scholl either arrive by bus,car or on foot. 3/10 walk and 1/3 come by bus. What fraction come by car?
Gre4nikov [31]
The total of the pupils are the 100%, or in fraction mode, 1, the whole, so we have:
bus + car + foot = total
1/3 + car + 3/10 = 1
car = 1 - 3/10 - 1/3
car = 1 - (9/30 + 10/30)
car = 30/30 - 19/30
car = 11/30
that is the fraction that come by car
3 0
2 years ago
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