Answer:
okay, y=(1)/(2)*\sin (x-(\pi )/(4))
Step-by-step explanation:
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The answer is your looking for is 400
3.9/3=$1.30
2.2/2=$1.10
The unit prices are $1.30 and $1.10.
Hope this help!
Old. new
100%. 45%
x. 42
45x= 4200
x=$93.33
