Ok thats cool, what is it.
She has to 40 more laps. 50% is a half, so 40 is half of something. so you are dividing 40 by a half, which is 80. half of 80 is 40.
If one child bought a ticket, we would calculate the total cost by multiplying $4.50 by 1. If two children bought tickets, we could calculate the total cost by multiplying the total cost by 2. So, the total number of tickets will always be 4.50 * the total number of tickets.
Because the number of children who bought tickets is represented by c and the number of adults who bought tickets are represented by a, our equation should look like:
$4.50c + $4.50a = money earned
The solution to the problem is as follows:
2x² - 7x = 3 can be re-written as 2x² - 7x - 3 = 0
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Either by completing the square or using the quadratic formula this can be solved . </span>
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Let's complete the square. </span>
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2x² - 7x - 3 = 2(x² - 3.5x - 1.5) = 2(x - 1.75)² - 9.125....then we can put </span>
2(x - 1.75)² = 9.125 : (x - 1.75)² = 9.125/2 = 4.5625
x - 1.75 = √4.5625 ≈ ± 2.14
<span>x = 1.75 ± 2.14 .....thus x ≈ 3.89 and x ≈ - 0.39
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Answer:
yes that is correct...
Step-by-step explanation:
