Answer:Score will change by 350 points after completion of level 3
Step-by-step explanation:
Number of points lost after loosing a spaceship [tex]=50 [/tex]
Number of spaceship lost [tex]=4 [/tex]
Total number of points lost [tex]=4\times50=200 [/tex]
Number of points earned after completion of level 3 [tex]=550 [/tex]
Scoreof Reggie changed by points [tex]= 550-200=350 [/tex]
Score will change by 350 points after completion of level 3
