Mia bought a poster that was discounted $5 from an original price of $20. which equation models how mia can find the percent of
discount?
2 answers:
Answer:
discount percent = 25%
Step-by-step explanation:
Mia bought a poster that was discounted $5 from an original price of $20
Original price is $20
Discount amount is $5
Let x be the percentage of discount
Discount % is x%
original price times discount percentage is equal to discount amount
multiply both times by 100
Divide both sides by 20
x= 25%
So discount percent = 25%
20.00 divided by x = 5.00
It's 25% I'm just not sure how to put it out for you :/
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Answer:
g(1)=-3
Step-by-step explanation:
-2(1)-1
-2-1
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Answer:
(1,3)
Step-by-step explanation:
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Answer:
-3 , 9
Step-by-step explanation:
Sum = - 6
Product = -27
Factors = 3, -9
x² - 6x-27 = 0
x² + 3x - 9x - 9*3 = 0
x(x + 3) - 9(x + 3) = 0
(x + 3) (x - 9) = 0
x +3 = 0 ; x - 9 = 0
x = - 3 ; x = 9
Solution: x = -3 , 9
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