Answer:
the answer is -5. you could really just use a calculator this is pretty basic math.
Step-by-step explanation:
Answer:15
Step-by-step explanation:
If the two sides equal 30 then you just divide that by 2 and get your answer 15
Answer:
x=2.4650
Step-by-step explanation:
I assume that you mean 
so let s use the ln() function

so x = ln(15)/ln(3)
x = 2.4650
They must sell, 30 cups of lemonade. How I got my answer.
Since it cost $1.20 to start, and a cup of lemonade cost $0.6 to make and there selling them at $0.10 each. So we know they are making a $0.4 profit off of each cup of lemonade. We now have to multiply 4×30=120.
I hope this helps!