Answer:
B.
÷ 
Step-by-step explanation:
its a formula
In 1st month let she exercised h hours
in second month she exercised h+4 hours
in third month she exercised h+4-3=h+1 hours
Now
- h+h+4+h+1=101
- 3h+5=101
- 3h=96
- h=32hours
Answer:
Step-by-step explanation:
<u>Given</u>
Multiply all terms by -3
Add 12x to both sides