40x20= 80
Plus
2x8=16
Total = 96
The percent error is 6.25%
Step-by-step explanation:
Percent error is given by:

Here,
Accepted value = 80.0°C
Experimental Value = 75.0°C
Putting the values in the formula

Hence,
The percent error is 6.25%
Keywords: Percentage, Error
Learn more about percent error at:
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Answer:
3 3/4 in length is equal to 22.5 picas
Step-by-step explanation:
If there are 6 picas in 1 in, then in 3 3/4 in, we will first take this to decimal form, which is
3.75 in
Therefor 3.75 in = 6 picas × 3.75 = 22.5 pisca
substitute x for y-1
2(y-1)-y=6 distribute
2y-2-y=6 subtract y in 2y
y-2=6 add 2 to get y by itself
y=8
Put y back into equation x=y-1
x=8-1
X=7