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Bob got a mean of 7.8 marks in his last 4 tests. How many marks did he get in total?​

Bob got a mean of 7.8 marks in his last 4 tests. How many marks did he get in total?​
asked 3.6k views
5 votes
Bob got a mean of 7.8 marks in his last 4 tests. How many marks did he get in total?​

asked
User Rocherlee
by
8.5k points

2 Answers

3 votes

Answer:

31.2

Explanation:

7.8x4=31.2

so he got in total of 31.2 out of 40 if all test is combined

answered
User Typically
by
8.7k points
3 votes

Answer:

78

Explanation:

answered
User Jackie Dong
by
8.7k points
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