A student is researching how much exercise they should do for good health. Source A says most people should aim for 30 minutes of exercise per day. Source B says most people should aim for 15-45 minutes of exercise per day. Source C says most people should aim for a half hour of exercise per day.Based on these sources, the student concludes that for good health they should try to exercise for about square minutes per day.

## Step 1<br />The problem involves interpreting the information given in three different sources. The sources suggest different amounts of daily exercise for good health. <br /><br />## Step 2<br />Source A suggests 30 minutes of exercise per day. <br /><br />## Step 3<br />Source B suggests 15-45 minutes of exercise per day. <br /><br />## Step 4<br />Source C suggests a half hour (which is equivalent to 30 minutes) of exercise per day. <br /><br />## Step 5<br />The student concludes that for good health, they should try to exercise for about 30 minutes per day. This conclusion is based on the information provided in all three sources.