When the barbarian reaches level 20, the str/cos modifier is +7 or +5?

@JeremyECrawford when the barbarian reaches level 20, and his Strength and Constitution reaches the value 24, the modifier is +7 or +5? — Lincoln Lobo (@llincollns) August 27, 2016 @llincollns +7 — (((Mike Mearls))) (@mikemearls) August 27, 2016 See page 13 in the Player's Handbook for how to calculate an ability modifier. #DnD https://t.co/toIl9GmZDD — […]