Math, asked by rika1, 1 year ago

the marks scored by a student in five subjects are 80, 75, 66, 51 and 91. how much should he scored in the 6th subject to make his average socre 75?

Answers

Answered by siassaqua

7

75=80+75+66+51+91+x/6
6X75=363+x
450-363=x
x=87

rika1: but its some what wrong the method is correct

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