Answer:
-40
Step-by-step explanation:
Let's input x into all of the slots.

Now, let's solve!


So, the answer is -40!
Answer:
$37.50
Step-by-step explanation:
$60 x .25 = $15 (tip)
$60 (meal) + $15 (tip) = $75
$75 ÷ 2 (# of people splitting the cost) = $37.50