Zoe paid \$18.60$18.60 in sales tax and tips for her dinner. The sales tax rate is 11\%11%, and she tipped 20\%20%. (The sales tax does not apply to the tip, and the tip is based on the price of the dinner before sales tax.)

Question

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**Select all that apply** An exterior angle of an isosceles triangle has measure 130°. Find a set(s) of measures for the angles of the triangle

RenatoMattice RenatoMattice · Answer 1 · 2019-02-21T07:46:46+01:00

Answer: The price of billing is $221.40.

Step-by-step explanation:

Since we have given that

Amount Zoe has paid in sales tax = $18.60

Rate of sales tax = 11%

So, Let the original price be 'x'.

According to question, it becomes,

[tex]\frac{11}{100}\times x=18.60\\\\x=\frac{18.60\times 100}{11}\\\\x=\$169\ approx.[/tex]

Rate of tip = 20%

Amount of tip is given by

[tex]\frac{20}{100}\times 169\\\\=\$33.8[/tex]

Amount after tip is given by

[tex]\$169+\$33.8\\\\=\$202.8[/tex]

Hence, The price of billing is given by

[tex]202.8+18.60\\\\=\$221.4[/tex]