Answer:
d) 
Step-by-step explanation:
requires 
requires 
requires 
So, total amount of gasoline required for the trip is
.
Answer:
$64
Step-by-step explanation:
2 adults=$40
2 children= $40-16=$24
40+24=$64
Answer:
so her bill was 10.99 and she added 15% for the tip, how much is 15% of 10.99?
well, if we take the 10.99 to be the 100%, let's see how much is 15% of that.10.99 + x.
Step-by-step explanation:

The sides of the given figure are :
perimeter :
- x + 7 + 2x + 2 + 8x + x + 10
Answer for first box = 12x + 19
now, Plugging the value of x as 4