The cost of 6 sandwiches and 4 drink is $53. The cost of 4 sandwiches and 6 drinks is $47. How much does one sandwich cost?
1 answer:
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Question is Incomplete;Complete question is given below;
Brian's gross earnings for the week of July 8, 2019, are $1227.38. His deductions comprise 23% of his total compensation.
What is his net pay?
Enter the answer to the nearest hundredth, such as $1234.56.
Answer:
Brian's Net pay is $945.08.
Step-by-step explanation:
Given:
Gross earnings for the week = $1227.38
Deductions = 23%
We need to find the net pay.
Solution:
First we will find the amount deducted.
amount deducted is equal to Deductions on Gross pay.
framing in equation form we get;
amount deducted =
Now we can say that;
Net pay is equal to Gross earnings minus amount deducted in tax.
framing in equation form we get;
Net pay =
Rounding to nearest hundred we get;
Net pay = $945.08
Hence Brian's Net pay is $945.08.
This question is solved applying the formula of the area of the rectangle, and finding it's width. To do this, we solve a quadratic equation, and we get that the cardboard has a width of 1.5 feet.
Area of a rectangle:
The area of rectangle of length l and width w is given by:
w(2w + 3) = 9
From this, we get that:
Solving a quadratic equation:
Given a second order polynomial expressed by the following equation:
.
This polynomial has roots such that
, given by the following formulas:
In this question:
Thus a quadratic equation with
Then
Width is a positive measure, thus, the width of the cardboard is of 1.5 feet.
Another similar problem can be found at brainly.com/question/16995958