Answer:
67
Step-by-step explanation:
UV+VW=UW
19+4x-20
X=17
Plug it it:
6(17)-35
102-35
UW=67
Answer:
84
Step-by-step explanation:
Pretend her first 3 quizzes were all 83 since that was the average. So the 4th was 87.
83+83+83+87 = 336
Divide by the total number of quizzes because they are equally weighted.
336/4 = 84
Her new average score is 84.
Answer: 6 divided by 5 is 1.2
Step-by-step explanation: I used Siri lol