Answer: 12/25
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Answer:
5.5%
Step-by-step explanation:
Answer:
For 3 candles cost $12.32
for 1 , Divide cost from 3
→ 12.32 ÷ 3
» 4.10 for each candle
for 2 packs of stationary cost $8.78
→ 8.78 ÷ 2
» 4.39 for each stationary pack
Total Spending (including tax)
→ 12.32 + 8.78
→ $ 21.10
Answer:
(2,-3)
Step-by-step explanation:
I am not sure if you meant the first equation to be y or -y. I solved it as y.
y = x-5 -x -3y =7
I am going to take the second equation and write it as x =
-x - 3y = 7 Give equation
-x = 3y +7 Add 3y to both sides
x = -3y-7 Multiplied each term in the equation by -1 so that x could be positive
I am going to substitute -3y-7 for x in the first equation up above
y = x - 5
y = -3y -7 - 5 Substitute -3y-7 for x
y = -3y -12 Combined -7-5
4y = -12 Added 3y to both sides
y = -3 Divided both sides by 4.
I now know that y is -3, I will plug that into x = -3y-7 to solve for x
x = -3(-3) -7
x = 9-7 A negative times a negative is a positive
x = 2
You would do 180 - 102 to find the answer
