<h2>
Answer: <u><em>
$5.00 for 1 day</em></u></h2>
Step-by-step explanation:
Unit price refers to the price of an item in one unit (one), 1 in quantity in particular. $5.00 goes in daily pricing - 1 day. While the others are pricing in multiple units.
Answer:
525 students
Step-by-step explanation:
84/4 is 21. The ratio is 1 teacher to every 21 students. There are 25 teachers in the entire school. If you multiply that by 21, there are 525 students in the entire school.
The phrase "the sum of four and twice a number is 12" can be translated into an algebraic expression as: 4 + 2x = 12 or 2x + 4 = 12.
<h3>How to Translate a Phrase into an Algebraic Expression?</h3>
To translate the phrase into an algebraic expression, we can use a variable to represent the unknown number.
Let the unknown number be represented as: "x".
"Sum" means addition, which would be represented with the symbol, "+".
"Twice" means times 2.
Therefore, we can translate the given phrase into an algebraic expression as follows:
"twice a number" is translated as: 2x
The sum of four (4) and twice a number (2x) is translated as: 4 + 2x or 2x + 4.
Therefore, the whole phrase "the sum of four and twice a number is 12" would be translated into an algebraic expression as: 4 + 2x = 12 or 2x + 4 = 12.
Learn more about algebraic expression on:
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Yes these lines are parallel. They will never cross so there are no solutions to this system.
The reason why is because the two slopes for the equations are both 6 each. The equations are in y = mx+b form where m is the slope. The y intercepts are different (1 for the first; -5 for the second). So those two pieces of info lead to non-intersecting parallel lines.
