Answer:
c
Step-by-step explanation:
decrease means subtracted
The answer is A
Hope this helps (:
11-7= 4
The distance is 4 units.

Least common denominator is (x-2)(x+1)
Multiply this times each term.

After cancelling the like factors from numerator and denominator, you get

Simplify the equation:

Add the opposite of all the terms on the right side to each side of the equation:

Factor out the GCF:

Set each factor equal to zero and solve:

or

x = 0 or x = 1
After checking each answer in the original equation you will see both numbers work. It's important to check because sometimes the answers can be extraneous (they don't work).
$1.98 ÷ 16...so the answer is $0.12 per ounce