Answer:
The Average Temperature Of 45 Occurs Twice A Year. Find The Number Of Days After January 1 For Each Of These Occurrences.
Let the prior percentage be 
If we add 11.7% to
, we get 51.3%.
That is
.
This is a linear equation in
, so we solve for x to obtain,


Therefore the prior percentage was 39.6%
Answer:
a
Step-by-step explanation:
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Answer:
4
Step-by-step explanation:
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3/5y - 4x = 3 - 2y
3y - 20x = 15 - 10y
3y + 10y = 20x + 15
13y = 20x + 15
y = 20/13 x + 15/13
y = 20/13 (9) + 15/13 = 15