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2 years ago

Zoe goes out to lunch. The bill

Mathematics

2 answers:

DanielleElmas [232]2 years ago

5 0

Answer:

$60

Step-by-step explanation:

To find how much Zoe paid before the sales tax and tip, we first need to consider the amount she paid in sales tax and tips.

Sales tax + Tips = $18.60

Let x = original price

Sales tax = 11% * original price

Sales tax = 0.11 * x

x= 0.11x

Tips = 20% * original price

Tips = 0.20 * x

x = 0.2x

Now that we have a value for both the sales tax and tips, we can then proceed to find the original price by:

0.11x + 0.2x = 18.60

0.31x = 18.60

Now we need to divide both sides by 0.31 to find x.

x = 60

Zoe's dinner before the sales tax and tips was $60.

deff fn [24]2 years ago

4 0

Answer:

$60?

Step-by-step explanation:

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Step-by-step explanation:

Part 1)

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Part 1)

Part 2)

Part 3)

Part 4)

Part 5)

Part 6)

Step-by-step explanation:

Part 1)

Multiply by -1 both sides

The solution is the interval -------> [-1.817,∞)

The solution in the attached figure N 1

Part 2)

rewrite

Multiply by -1 both sides

The solution is the interval--------> (0.09,∞)

The solution in the attached figure N 2

Part 3)

combine like terms

Adds 8 both sides

The solution is the interval--------> (-∞,6]

The solution in the attached figure N 3

Part 4)

Adds 5 both sides

Multiply by -1 both sides

Divide by 2 both sides

The solution is the interval--------> (-7,∞)

The solution in the attached figure N 4

Part 5)

applying distributive property left side

Subtract 14 both sides

Divide by 7 both sides

The solution is the interval--------> (-∞,-13)

The solution in the attached figure N 5

Part 6)

applying distributive property left side

Adds 117 both sides

Divide by -1 both sides

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The solution is the interval--------> [-9.31,∞)

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Step-by-step explanation:

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