Algebra, 0110 HELP!
posted by Derek .
Including 5% sales tax, an inn charges $210.00 per night. Find the nightly cost at the inn before tax is added.
(a) Write an equation to model the problem. Let x represent the nightly cost before tax.
(b) Solve the equation to find nightly cost before tax. (Note: Your answer should be in the form $ddd.cc.)

1.05x = 210.00
x = 200.00
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