Answer:
( a ) 99°
( b ) 151°
Step-by-step explanation:
( a )
( 180 - 81 )° = 99°
( b )
( 180 - 29 )° = 151°
Find the 2 different rates at which the farm worker worked:
3 pints
--------- = 0.75 pint/min
4 min
2 pints
---------- = 0.67 pint/ min
3 min
Then you need to subtract 0.67 pint/min from 0.75 pint/min to answer this question.
Alternatively, subtract 2/3 pint/min from 3/4 pint/min.
<em><u>It's 30</u></em>
<em>Hope that helped!</em>