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saw5 [17]
3 years ago
8

Write an equation y is 20% what is x

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
4 0

Answer:

x + .20 = 1

Step-by-step explanation:

The equation would be x + .20= 1, or 1.00, because if you turn 20% into a decimal, it becomes .20. The total you are trying to find is 1 whole, in which this case it would simply be one as there is no other information. The x is first as if you had the .20 first, you would have to divide each side by .20, which would make x = 5, and that would not make sense.

Finding X: To find, subtract on each side by .20 due to the fact you are adding and need to do the opposite, .20-.20 cancels out and 1.00-.20 is .80, so you are left with x=.80

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5 0
3 years ago
William bought some tickets to see his favorite singer. He bought some adult tickets and some children’s tickets, for a total of
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Set x as adult tickets.
Set y as children's tickets.
x + y = 15
30x + 20y = 270
Solve for x in the first equation.
x + y = 15
x = 15 - y
Plug this into the second equation.
30x + 20y = 270
30(15 - y) + 20y = 270
450 - 30y + 20y = 270
450 - 10y = 270
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y = 18
If there is 18 childrens tickets, there should be -3 adult tickets.
This is impossible, and this impossible answer occured because the question is written wrong.
There are a total of 15 tickets
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300$ is over 270$, which makes the question impossible.
8 0
3 years ago
Dragon drop each expression two correctly classify it as having a positive or negative product
ioda

Step-by-step explanation:

We multiply it to find the product

positive times positive = positive

positive times negative = negative

negative times positive = negative

negative times negative = positive

(-\frac{1}{3})(-\frac{1}{3})= \frac{1}{9}

Negative and negative is positive , so product is positive

(-\frac{1}{3})(\frac{1}{3})= -\frac{1}{9}

Negative and positive is negative , so product is negative

(\frac{1}{3})(-\frac{1}{3})= -\frac{1}{9}

positive and negative is negative , so product is negative

(\frac{1}{3})(\frac{1}{3})= \frac{1}{9}

positive and positive is positive , so product is positive

7 0
3 years ago
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