I’m pretty sure k=59 degrees since the area of a triangle is 180 so you just subtract the angles you already have to find the other one
system of inequalitities is
thats the first equation, then
and
answer is the second one
40% helping customers + 13% doing paper work = 53% of his time.
This means 100% - 53% = 47% of his time he is doing other tasks.
I'll use subscript notation for brevity, i.e.
3.
By the chain rule,
4.
By the chain rule,
3 1/3 x 2 2/3 = 40/9 = 4 4/9 cups. Hope this helps !! c: