Answered

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Richie's average on his math tests was 64%. On the next test he had a mark of 76%, and this raised
his overall average to 67%. When he wrote the next test after this his average improved again by
1%. What mark did he get on the last test?
A) 68%
B) 69% C) 70%
D) 71% E) 72%

Sagot :

Answer:

68

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