أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
he drives 90 miles in 60 minites
90 miles..because an hour and sixty minutes are same
1 hour is nothing but 60 minute so it is of course he travels 90 miles in 60 minutes.
miles in an hour means miles in minutes. so answer is miles