-7 + 56x = 105
56x = 105 + 7
56x = 112
x = 2
1. B<span>lue
2. 18 units
3. 3 students
4. </span><span>36.75 lbs</span>
(72/80)x90=81
Divide seventy-two by eight and multiply it Ninety.
The answer is 3/5.

Continue this pattern and you'll see that it follows this geometric sequence