Answer:
3
Step-by-step explanation:
subtract 3y from both sides
add 9 to both sides
3y=12x+9
divide everything by 3
y=4x+3
y-intercept is 3
I believe the answer is “A”
Answer:
Step-by-step explanation:
78.03
Answer:
26 customers
Step-by-step explanation:
Represent customers entering as y and those buying hot dogs as x


Required
Determine the number of people buying hotdogs (x)
Substitute 4x + 9 for y in the second equation

Collect Like Terms


Answer:
x = 1680 / N, where N is the number of people and x the amount each person has to give for equal contribution. So for N = 10 ==> x = 168.
Step-by-step explanation: