What is the effective annual interest rate of an investment that pays 14.75% per year with a compound frequency n= 2? (Answer pe
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A bag of chips will cost $1.25. The price is calculated by making linear equations in two variables and solving them by substitution method.
<h3>What is a linear equation in two variables?</h3>Linear equation in two variables can be defined as an equation in the form:
, where x and y are variables and a and b are not equal to 0.
For the given problem, let "s" be the cost of a sandwich and "c" be the cost of a chips bag.
Given:
The cost of three sandwiches and two chips bags is $22.00.
Therefore, the 1st equation will be:
The cost of two sandwiches and one chips bag is $14.25.
Therefore, the 2nd equation will be:
To calculate the cost of a chips bag, we need to solve equation 1 and equation 2 by the substitution method.
From equation 2, the value of c will be:
... (3)
Now we will put in equation 1:
On substituting the value of s in equation 3:
Therefore the cost of a bag of chips is $1.25.
Learn more about linear equations in two variables here:
Answer: 2,200 units.
Explanation:
The complete exercise is:
A manufacturer shipped units of a certain product to two locations. The equation above shows the total shipping cost T, in dollars, for shipping c units to the closer location and shipping f units to the farther location. If the total shipping cost was $47,000 and 3,000 units were shipped to the farther location, how many units were shipped to the closer location?
Given the following equation:
You know that "T" is the total shipping cost (in dollars), "c" is the number of units shipped to the closer location and "f" is the number of units shipped to the farther location.
Based on the information given in the exercise, you can identify that, in this case:
Then, knowing those values, you need to substitute them into the given equation:
And finally, you must solve for "c" in order to calculate the number of units that were shipped to the closer location.
You get that this is: