Erica used friendly numbers to find 43-19 she added 1 to 19 and subtracted 1 from 43 what is erica's error? Explain
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Money spent by Jordan on his lunch = $32
Tips he left for the waitress :
= 18% of the money spent on his lunch
Thus, the tips he left for the waitress = $5.76
Total money he spent along with the tips :
Therefore, the total of the lunch was = <u>$37.76</u>
It is given in this question that angle 1 and angle 2 are linear pair .
LInear pair are those angles , whose sum is 180 degree.
That is sum of measurements of angle 1 and angle 2 must be 180 degree. That is
Combining like terms
Subtracting 46 from both sides
Dividing both sides by 2
So the two angles are