Answer:
Markup up rate is 20 percent
Step-by-step explanation:
amount of change is 50
The original is 60
It's increasing cause it's going higher if it's decreasing it's going lower
9/7
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x = -4
-2(-5x+5) - 3x + 4= -34
10x - 10 -3x + 4 = -34
7x - 6 = -34
<u> +6 + 6</u>
7x = -28
$180
step one 86+4 =90
step two 90×2=180
