You could easily change the 2 1/2 to a 2.5 and do 2.5-6=-3.5
Just plug in the values for m
so the possible values for k are
when m=5

when m=7

when m=9

so the possible values for k are {4,5,6}
2 1/2 is also 2.5, therefore to calculate each liter, just 60/2.5, so the answer is $24
Answer:
They are complementary angles.
Step-by-step explanation:
The sum of their measurements equals 90 degrees.
20/10= 2
All you need to do is divide the number of hours it takes by the number of flower arrangments. So, it takes the florist 2 hours to assemble one flower arrangement.
I hope this helps!
~kaikers