If you have a compound adjective that is a number, such as “… Post author By Anonymous Post date August 13, 2024 Questions If yоu hаve а cоmpоund аdjective that is a number, such as "They had a ten-year-old horse," you should use hyphens. Show Answer Hide Answer Related Posts:If you have a compound adjective that is a number,…What is Steven’s phone number? Enter the number as…Which compound is covalent compound? ← Draw the skip list when you insert the elements 30, 16, 20,… → The development of democracy is most closely associated wit…