$20-$14.56=$5.44
The mechanic would get $5.44 back as change.
The prisoners could do a pattern that could signal who has already been in the room. So for example, one light off, both lights off, one light on, both lights off. But with left and right lights to make the sequence last as long as possible. Then after that sequence to have the last one be the signal that everyone has been in there. I dunno this is tricky lol
Answer:
Tax = $12 Tip = $18 Total Cost = $130
Step-by-step explanation:
tax = tax percentage x amount
0.12 x 100 = 12
tip = tip percentage x amount
0.18 x 100 = 18
The Total Cost
total cost = cost + tax + tip
100 + 12 + 18
Add them up and it would be
$130
so, x =

and y =

Hence, the answer is the first one.
Answer:
If one cup is 8 then 3 cups is 24
Step-by-step explanation:
This can be solved by multiplying:
1*8=8
3*8=24