Hello! 300 cars were manufactured in August, and 5% fewer cars were made in September, compared to August. 5% fewer only means 5% less of the number 300, which means that in September, it made 95% of the amount of cars made in August. For this, what we do is multiply 300 by 95%. 300 * 95% (0.95) is 285. Now, what we do is subtract both numbers from each other to find the difference. 300 - 285 is 15. There. The difference of the amount of cars made in the two months is 15.
The equation can be modelled to a real scenario where every purchase can be use to calculate sales tax.
<h3>How to find a real world situation that models an equation?</h3>
The equation to be modelled is as follows:
y = 1 / 20x
let
x = The total price of purchases
y = The amount of sales tax
This simply means a person pays 1 / 20 or 5% of every purchase he/she makes.
The total price of the purchase(including tax) is x while the actual amount of tax paid is y.
Let's say you buy a goods worth 400 dollars. Let's calculated the tax as follows:
x = $400
Therefore,
y = 1 / 20 × 400
y = 1 / 20 × 400
y = $20
Hence, the tax for a purchase of 400 dollars is 20 dollars.
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$820.
If you divide 656 by 8 (since it's 80% of the total price), you get 82.
Multiplying 82 by 10 would equal the original price.
If you're confused whether to do multiplication or division first.
<span>Remember PEMDAS. It's the Order of Operation. Basically, it's the order of which operators are prioritized in an equation.
From Highest to Lowest Priority.
Parentheses, Exponents, (Multiplication and Division), and (Addition and Subtraction)
Multiplication and Division have the same priority, as well as Addition and Subtraction.
So for this it is which ever comes first, from left to right of the equation is prioritized.
WORKING:
3x2/3
The multiplication operator comes first, so we do:
3 x 2=6
Finally, we take "6" and divide it by 3
6 / 3 = 2
Answer is: 2</span>
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