Tory creates a cell phone app. He wants to distribute it through a company that will pay him $100 plus $0.25 every time the app, x is downloaded. In the first month he made $380.

The equation that can be used to determine how many times the app, x, was downloaded is

Respuesta :

The app was downloaded 1120 times for Tory to earn $380.

A linear equation is in the form:

y = mx + b;

where y, x are variables,  m is the rate of change and b is the initial value of y.

Let y represent the total money paid to download the app x times.

The company pay him $100 plus $0.25 every time the app is downloaded. hence b = 100, m = 0.25

y = 0.25x + 100

For making 380:

380 = 0.25x + 100

280 = 0.25x

x = 1120

Therefore the app was downloaded 1120 times for Tory to earn $380.

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