3. Im pretty sure hold on 14^ =69 x-9
Answer:
$65
Step-by-step explanation:
30% of 50 is 15, so 50+15=65.
Attached the solution with work shown.
Average must be 225 or more
4 games so

score1=192
score2=214
score3=250
score4=?
so


times both sides by 4 to clear fraction
656+?≥900
minus 656 from both sides
?≥244
min score is 244