Ruler of the Black Flame pack expected value

Is a Ruler of the Black Flame booster pack worth opening? Expected value $1.10 per pack against a $5.11 pack price, from live card prices and pull rates.

• Expected value per pack: $1.10
• Booster pack price: $5.11
• On average a pack is worth more kept sealed.
• Packs per box: 30
• Chase cards with live prices: 41
• Chance a pack contains no chase card: 74.5%