Answer:
x=2, y=-1
Step-by-step explanation:
Remember: Multiply each equation by a suitable number so that the two equations have the same leading coefficient. Then, go from there.
Answer:
3g+20
Step-by-step explanation:
Because Milena wants to have 3 cups per each guest and then she wants an additional 20 more.
Answer:

Step-by-step explanation:
Given


We want to find 
For this you need to:
if
, then 

Apply log rule: 

Solve for x
Expand 


5.0007. Five and seven ten thousandths