(3x - 5) + (5x + 1) Simplify it in polynomials
2 answers:
<h2><u>Answer:</u></h2><h2>
</h2><h2 /><h2><u>Solution Steps:</u></h2>
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<h3>1.) Combine 3x and 5x:</h3><em> - When there is more then 1 variable then you must combine them, (If possible.) In this case we have 2 variables, so to combine them you just have to add them together. </em>
<u>Equation at the end of Step 1:</u>
<em> - We do this because we need to get to 1 leftover number. So to do this, you just subtract/add the numbers by each other. In this case we have to add -5 by 1.</em>
So your answer is .
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Answer:
x ≥ 5
y ≥ 10
3x + 2.3y ≥ 60
Step-by-step explanation:
Lets the number of men's shoes he sells be x and women's shoes be y.
For each men's shoes , he gets a commission of $3 and for each women's shoe, he gets a commission of $2.30 .
He needs to sell atleast 10 women's shoes and 5 men's shoes.
Also he needs to make atleast $60 per week.
x ≥ 5
y ≥ 10
3x + 2.3y ≥ 60
These are are the 3 required inequalities.
Now we will see an example.
If he sells 20 womens shoes and 10 mens shoes , he will meet the requirements.
He will make a total profit = =$76