Answer:
70
Step-by-step explanation:
let x be the score of the fifth game.
→The statement “After the fifth game the mean increased to 50” can be translated mathematically into this equation:
[tex]\frac{180+x}{5} =50[/tex]
⇔ 180 + x = 5 × 50
⇔ 180 + x = 250
⇔ x = 250 - 180
⇔ x = 70
