Answer:
The answer for part A is the 1st option
And for part B the answer is "1 and 4"
Explanation:
The reason is part A the 1st option is the answer is because the smith family already has 2 and "x" represents how much they should add to the two and 3 is less than or equal too because in the problem the keyword is "at least 3 gallons" and the 6 your answer on the other side cant be greater than it.
your welcome coming for a freshman in an honors algebra class ;)