She should use 0.74 gallons you have to take 20 and timed it by 3.7 % and thats how you get to see whats left that she need.
Answer:
The answer would be 21.248 miles
Symmetric property of an Equality
Answer:
14
Step-by-step explanation:
We are given with two 
numbers whose first 
are same.
It is given that their sum is 
adding the last two corresponding digits gives,
Now adding the rest,
to get 
should not give anything to carry as that will make A in decimal to satisfy the addition.
Therefore,
Thus 
And finally,
Thus 
Now simplifying
Thus 
is the answer.
Complelment adds to 90
let's say the complement is B
A+B=90
4x+2+B=90
minus (4x+2) from both sides
B=88-4x
