Answer:
20%
Step-by-step explanation: The percent of error formula is |(theoretical value-actual value)/actual value|=percent of error. Substitute the values in. |(2.8-3.5)/3.5|=|(-0.7)/3.5|=0.2. The percent equal to 0.2 is 20%.
x=7
Pretty Simple.. h h h
Step-by-step explanation:
y cannot be determined from the information given
The first blank is $640.30
The second blank is 670
or, 3x-5=2.5x+3-x+4
or, 3x-1.5x=7+5
or, 2.5x=12
or, x=4.8 solved.