25% off translates into 0.25($30) = $7.50 off.
A faster way to determine the sales price is to subtract 0.25 from 1.00 and then mult. the regular price by the result: sales price = 0.75($30) = $22.50 (answer)
(5x + 3)(5x – 3)
(7x + 4)(7x + 4)
(x – 9)(x – 9)
(–3x – 6)(–3x + 6)
You have to set up a system of equations
x+y=104
3x-y=104
Sodas = 78
Hotdogs = 26
I think it’s 55 hours, about more than 2 days
Answer:
Y=x+3
Step-by-step explanation:
Just subtract the x value from the y value and you will always get the right answer... But isn't this iready? A test?
