Answer:
6 adults
Step-by-step explanation:
Let
x -----> the number of children
y ----> the number of adults
we know that
The ratio

so
using proportion
Find the value of y for x=(20-12)=8

therefore
6 adults
Answer:B
Step-by-step explanation:
This is because -3 is going to multiple numbers, which cannot happen in a function.
Answer:
7,000
Step-by-step explanation:
607,000 - 600,000 = 7,000
The negative solution is (3,-2) because that is the point that the functions intersect in the negative area of a graph.