Jimmy wants to buy a shirt, but there is a 5% sales tax on it.
y represents the price of the sales tax. x represents the price of the shirt.
The equation y = 20 1 x models a situation where a person earns $0.05 for each hour worked. Here, x represents the hours worked and y represents the total earnings. For example, working 20 hours earns a total of $1.00.
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