Add 21 to both sides, so you get 9z = 81
10 hours : 15 logs
x hours : 9 logs
15*x = 9*10 => x=9*10/15=6 hours
With n logs,
x=n*10/15=2n/3 hours where n is the number of logs.
Vertical: x=-1 and 2
Horizontal: y=-1
Answer:
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Step-by-step explanation:
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Also whats the question (if its only 1)
97.55500 would round to 97.56
