SOLUTION: A woman buys 3 toys for $107.10, including tax. If each toy cost $34, what was the sales tax rate?

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Question 201867: A woman buys 3 toys for $107.10, including tax. If each toy cost $34, what was the sales tax rate?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
A woman buys 3 toys for $107.10, including tax. If each toy cost $34, what was the sales tax rate?
.
Let x = tax rate
then
3(34) + 3(34)x = 107.10
102 + 102x = 107.10
102(1 + x) = 107.10
1 + x = 1.05
x = .05
or
x = 5% (sales tax rate)