Answer:
8
Step-by-step explanation:
(4+8)+6 = (6+4)+n
18 = 10+n
18-10 = n
n = 8
(y - 0.18y) * 1.08
Just explain what each part of it means and try to make it seem long.
There is 75% decrease.
Step-by-step explanation:
Given,
Old value = 688 qt
New value = 172 qt
Change = New value - Old value
Change = 172 - 688
Change = -516 qt
The negative sign indicates decrease.
Decrease percent = 
Decrease percent = 
Decrease percent = 
Decrease percent = 75%
There is 75% decrease.
Keywords: division, subtraction
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18 x 40 = 720 per week.....720 x 4 = 2880 per month earnings
net pay = 0.72(2880) = 2073.60 <=== cash inflow.
how much he spends per month is his cash outflow.