Original price of skate board = $130
25% of its price(Discount)= 25/100*130 =$ 32.50
Price after discount = $130-$32.50 = $97.50
Amount Josie has = $90
Amount Josie needs more = 97.50 - 90 = $7.50
Answer:
2nd option
{(-8, -2), (-4, 1), (0, -2), (2, 3), (4, -4)}
Step-by-step explanation:
For a function to exist, every value of input must have exactly one value of output.
The rest of the relations(1, 3, and 4) have 2 outputs for 1 input so they dont make a function.
Kellie's original number given the analogy and corresponding equation is 13
<h3>How to write and solve equation?</h3>
let
(x × 2) × 3 = x + 65
2x × 3 = 65 + x
6x = 65 + x
6x - x = 65
5x = 65
x = 65/5
x = 13
check:
6x = 65 + x
6(13) = 65 + 13
78 = 78
Therefore, the unknown number, x is 13
Learn more about equation:
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Answer:
yes.
Step-by-step explanation:
It doesn't say how long a quarter is for Madelyn's school, but we can assume its around 8 weeks or half a semester which would mean one quiz per week. 1:1 quiz to week ratio is proportional.