first get all variables on the same side, then use elimination to solve.
x = -3
y = -11
Answer:
5=p
Step-by-step explanation:
18=3.50+2.75P
18-3.50=2.75p
14.5/2.75=2.75p/2.75
5=p
she can buy 5 popcorn
Answer: The mathematical expectation of Option A is 2.25. The mathematical expectation of Option B is 2.75. Option B offers a greater likelihood of advancing to the finish line.
Step-by-step explanation: I took the test.