Answer:
5
Step-by-step explanation:
Oh sorry to disappoint u i got the answer wrong lol i tried
<span>-5x+2y=9 3x+5y=7
-3x -3x
5y=-3x+7
5 5 5
y=-3/5x + 1.4
so um maybe -1,2
i suck. </span>
You would take 20 × .2 and then take that awnser and add it to 20 dollars, then ÷that awnser by 2 and you will get your final amount. ( awnser: $12.00 )
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:
#LearnwithBrainly
2 * 4/3= 8/3
3/4 * 2/1= 6/4= 3/2
3/2*8/3= 24/6= 4