Hi. Which is correct? Thank you in advance.<br/><br/><i>1. Four kids, ages 11, 12, 13 and 15, went to school.</i><br/><br/><i>2. Four kids, aged 11, 12, 13 and 15, went to school.</i><br/><br/><i>3. Four kids, ages 11 to 13 and 15, went to school.</i><br/><br/><i>4. Four kids, aged 11 to 13 and 15, went to school. </i><br/><br/><i>5. They have four kids, ages 11, 12, 13 and 15.</i><br/><br/><i>6. They have four kids, aged 11, 12, 13 and 15.</i><br/><br/><i>7. They have four kids, ages 11 to 13 and 15.</i><br/><br/><i>8. They have four kids, aged 11 to 13 and 15.</i>