Answer:
$64
Step-by-step explanation:
After using a 25% discount coupon, they paid 48 for the video game.
It means, <em>which number, decreased by 25%, would give us 48?</em>
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First, 25% to decimal is:
25/100 = 0.25
Now, if we let the original price be "x", we can say:
x decreased by 0.25 of x would give us 48
Translating this to algebraic equation gives us:
x - 0.25x = 48
Now, we solve this:

If they paid full price, the video game would cost $64
Answer: y = 1x^2 - 12x + 15
Step-by-step explanation:
Answer:
X = 3
Y = all real numbers
Step-by-step explanation:
x is the input
y is the output
The equation would be x = 3
Answer:
6 units
Step-by-step explanation:
Just count
Answer:
the first one is no it's nonproportional
and the second one it yes its proportional