Angela’s average for six math tests is 87. On her first four tests she had scores of 93, 87, 82, and 86. On her last test, she s

Question

2 years ago

5

Angela’s average for six math tests is 87. On her first four tests she had scores of 93, 87, 82, and 86. On her last test, she s

cored 4 points lower than she did on her fifth test. What scores did Angela receive on her fifth and sixth tests? fifth test = 85; sixth test = 81 fifth test = 85; sixth test = 89 fifth test = 90; sixth test = 86 fifth test = 89; sixth test = 85

Mathematics

2 answers:

Vaselesa [24] · Answer 1 · 2022-08-30T01:05:11+03:00

Vaselesa [24]2 years ago

8 0

87=(T1+T2+T3+T4+T+T6)/6
87=(93+87+82+86+x+(x-4))/6
87*6=93+87+82+86+2x-4
87*6=344+2x
178=2x
89=x implies 85, 89

irina1246 [14] · Answer 2 · 2022-08-30T02:33:46+03:00

irina1246 [14]2 years ago

6 0

Answer:

89 first test 85 sixth test

Step-by-step explanation: