Joe went on a diet 4 months ago when he weighed 222 pounds. If he now weighs 198 pounds and continues to lose at the same average monthly rate, in approximately how many months will he weigh 180 pounds?  Choose the correct choice from the following answers:  A) 3  B) 3.5  C) 3  D) 4.5  E) 5
222 - 198= 
<gadget id="calculator">222 - 198</gadget>
<output>24</output>
24 pounds lost in 4 months    24/4= 
<gadget id="calculator"> 24/4</gadget>
<output>6</output>
6, so Joe is losing weight at a rate of 6 pounds per month.   ...in approximately how many months will he weigh 180 pounds?   A simple approach is to just list the weights.   Now: 198 lbs   In 1 month: 192 lbs   In 2 months: 186 lbs   In 3 months: 180 lbs   Answer: 3
<result>C</result>
Joe went on a diet 4 months ago when he weighed 222 pounds. If he now weighs 198 pounds and continues to lose at the same average monthly rate, in approximately how many months will he weigh 180 pounds?