509,202 views
22 votes
22 votes
Bob got a mean of 7.8 marks in his last 4 tests. How many marks did he get in total?​

User Vanest
by
2.8k points

2 Answers

21 votes
21 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

User Bortzmeyer
by
3.6k points
21 votes
21 votes

Answer:

78

Explanation:

User Michael Guterl
by
2.9k points