2)
4x-10y=12
Subtract 4x from each side.
-10y=-4x+12
Divide both sides by -10
y=2/5x-6/5
3)
13=1/6y+2x
Subtract 2x from each side.
-2x+13=1/6y
Multiply both sides by 6.
-12x+78=y
Flip it around.
y=-12x+78
Hope this helps!
Answer:
$161.50
Step-by-step explanation:
the revenue for an item of $85 with a 90% markup is $161.50
Answer:
no because 3/20 is eguivilent to 0.15 whitch is half of 0.3
Answer:
B, A, F, H
Step-by-step explanation:
[ Answer ]

[ Explanation ]
--------------------------
- 4 = 6
- 4 + 4 = 6 + 4
= 10
= 10 · 2
X = 20
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