nick5442
02.08.2019 •
Mathematics
"the price of a piece of plywood rose 5% to $42. what was the original price of the plywood"
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Ответ:
1.05x = 42
So x = 42/1.05
The original price was $40
Ответ:
y = 5x + 2
Step-by-step explanation:
x=0 y=2 => b=2
x = 1 y = 7 b=2 => m =5