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Feliz [49]
3 years ago
13

if you want to buy a shirt that cost 18.99 but you have 20% off coupon and the tax is 7%. how much does the shirt cost

Mathematics
2 answers:
dusya [7]3 years ago
7 0

20% off means you pay 80% of the price so you multiply by 0.8, and 7% tax means you multiply by 1.07

Resulting cost = 18.99*0.8*1.07 = 16.26

Hope this helps let me know if im wrong!

krok68 [10]3 years ago
7 0
Original price = 18.99
Discount price = 18.99 * 0.20 = 3.978
Tax price = 18.99 * 0.07 = 1.3293

Final price = 18.99 - 3.978 + 1.3293 = 16.34

In short, Your Answer would be $16.34

Hope this helps!
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5 0
3 years ago
Four times the first number minus three times the second number is 2. Two times the first number increased by three times the se
Eddi Din [679]

Answer:

First number is -2.5

Second number 5

Step-by-step explanation:

Four times the first number minus three times the second number is 2.

To represent this statement, 4x -3y =2

Two times the first number increased by three times the second is 10.

To represent thsi statement, 2x+ 3y = 10

4x - 3y = 2

2x + 3y =10

4x - 2x = 2x

2x = -5

x= -2.5

The first number is -2.5

By using Substitution

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2(-2.5) + 3y = 10

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3y = 10 +5

3y =15

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....To check my answer

-5 + 15 = 10

4 0
2 years ago
Which choice is the solution to the inequality below?
Georgia [21]
<h3>hello!</h3>

In order to solve this inequality, we should divide both sides by 9:-

\sf{9x < 72}

Why 9? Because x is multiplied by 9, and we need to isolate x in order to find its value.

\sf{x < 8}

Hence, that's the solution to the inequality.

<em>It also means that the numbers less than 8 will satisfy the given inequality (make the inequality true)</em>

(Option C is correct :) )

<h3>note:-</h3>

Hope everything is clear; if you need any explanation/clarification, kindly let me know, and I will comment and/or edit my answer :)

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