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Volgvan
3 years ago
9

At a restaurant you only have 20 dollars to spend on dinner. in addition to the cost of the meal you must pay only 5% sales tax

and leave a 15% tip what is the most expensive item you can order?
Mathematics
1 answer:
wlad13 [49]3 years ago
7 0
$16.68 is the most expensive item you can order with $20.00
You might be interested in
1. Which would be a more helpful for solving the system: adding the two equations or subtracting
ira [324]

Answer:

1) Subtracting one from the other

2) x = 0.375 and y = 0.125

Step-by-step explanation:

Equation 1 :

\frac{2x+1}{2y}=7\\\\

Equation 2:

\frac{6x-1}{2y}=5

To solve these equations by the Elimination method we multiply equation 1 with 6 and multiply equation 2 with 2 so now,

\frac{2x+1}{2y} =7\\\\2x+1=14y\\\\Multiplying\ Equation\ 1\  with\ 6\\\\12x+6=84y

Now for the second equation:

\frac{6x-1}{2y}=5\\\\6x-1=10y\\\\Multiplying\ equation\ 2\ with\ 2 \\\\12x-2=20y

Now subtracting equation 2 from equation 1

12x+6=84y\\\\12x-2=20y\\\\Subtracting\ leads\ to\\12x-12x+6-(-2)=84y-20y\\0+8=64y\\8=64y\\8/64=y\\0.125=y

now insert this value of y into any equation

lets insert it into equation 1

\frac{2x+1}{2y} =7\\\\2x+1=14y\\2x+1=14(0.125)\\2x+1=1.75\\2x=1.75-1\\2x=0.75\\x=0.75/2\\x-0.375

5 0
3 years ago
Please help!!!! I’m about to fail and I don’t want to
adelina 88 [10]

Answer:

But, you didn't ask any question.

Step-by-step explanation:

Remember to post your question next time.

6 0
2 years ago
In the expretion7to the third power-4*3+8 the firstt operation is
xxMikexx [17]

Answer:

7³

Step-by-step explanation:

Using PEMDAS, we see that E (which stands for exponents) comes before M (which stands for multiplication) and A (which stands for addition) so the first operation you should do is 7³.

8 0
3 years ago
Homework #16- Complete all odd questions.
katen-ka-za [31]

                                                      Question 1)

Given

The expression is 5xy

To determine

Find the value of 5xy if x = 2 and y = 3

5xy

substitute x = 2 and y = 3

5xy = 5(2)(3)

      = 5(6)

      = 30

Therefore, the value of 5xy = 30 if x = 2 and y = 3.

<em>Note: your remaining questions are not mentioned. But, the procedure may remain the same. Hopefully, your concept will be cleared anyway.</em>

8 0
2 years ago
you are purchasing carpeting for an office building the space to be carpeted is 30 feet by 50 Company A charges a 2.99 per squar
vladimir2022 [97]
A:1500 x 2.99 +200= $4685
1500 ft^2=166.67 yard^2
B: 166.67 x 19.99+500= $3831.7333
                                    = $3831.75
Company B is the better deal
3 0
3 years ago
Read 2 more answers
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