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Julli [10]
2 years ago
15

A video game enthusiast is planning to attend a convention

Mathematics
1 answer:
irinina [24]2 years ago
3 0

Answer:

240x + 75, $795 for 3 days

Step-by-step explanation:

$75 is not affected by the number of days she will be there, meanwhile, hotel and meal costs are. So, we will use x to represent the number of days and create an equation.

210x + 30x + 75

Then we can combine like terms

240x + 75

Using our new equation, we can solve for the total cost of 3 days.

240(3) + 75 = 795

3 days will cost $795

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Answer:

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Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y/x=k or y=kx

we have the points (2,14) and (4,28)

Find out the constant of proportionality k

k=y/x                      

For (2,14) ----> k=14/2=7

For (4,28) ----> k=28/4=7

so                              

the value of k=7            

therefore                                          

The equation  is                                                    

y=7x                

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