Answer:
Graph 4
Step-by-step explanation:
I have to put more words lol
I believe it is -7 but I may be misunderstanding the question
The sales tax rate is 5%.
Step-by-step explanation:
Given,
Sales tax for an item = $24.50
Cost of item before tax = $490
Sales tax rate = 

The sales tax rate is 5%.
Keywords: sales tax, percentage
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28 / 49
divide by 7 at top and bottom
(28/7) / (49/7)
4 / 7