The first and third question are both the second choice, what would be b. The second question seems impossible...
3 adults and 5 kids.
You can get this by setting up the following system of equations.
x + y = 8 (number of people)
10x + 12y = 86 (cost)
Answer:
x=7
Step-by-step explanation:
ln x +ln(x+1)=ln 56
ln x(x+1)=ln 56
so x(x+1)=56
x^2+x-56=0
(x+8)(x-7)=0
x= -8 or x=7
and lnx,x>0
so x=7
Answer:
16
Step-by-step explanation:
8(2) = 16
I'm sorry, but there is not enough information for me to correctly answer this question, please provide more information.