<span> add</span><span> up the two equivalent fractions </span> <span>Add the two equivalent fractions</span><span> which now have a common denominator</span>
<span>Combine the numerators together, put the sum or difference</span><span> over the common denominator then reduce to lowest terms if possible. tell me if this helped you.</span>
If you assume the rental cost changes in a linear fashion, the change over 6 years was $44. The "unit rate of change" is then $44/(6 years) ≈ $7.33/year.
