Answer:
A. $100 rebate coupon.
Step-by-step explanation:
$100 dollars off of $479.99 would be $379.99, compared to the 20% off which would be $384.99
Calculating percentages isn't too hard:
Multiply the percent by the original cost.
20 x 479.99 which is 95.99
479.99 - 95.99 = 384
3x - y = 9
4x + y = 5
---------------add
7x = 14
x = 14/7
x = 2
3x - y = 9
3(2) - y = 9
6 - y = 9
-y = 9 - 6
-y = 3
y = -3
C. (2,-3) is a solution to the system of linear equations
3x + 4y = 16 Subtract 4y from both sides. Put brackets around the 2 terms on the right.
3x + 4y - 4y = (16 - 4y)
3x = (16 - 4y) Divide by 3
Answer That's B.
Answer:
Hope you understand this
Step-by-step explanation:
HAVE A GOOD DAY!
Answer:
I also need help with this
Step-by-step explanation:
