Question
The table shows the marks Tammy scored for 4 subjects. Her target was to achieve an average of 83 marks for the 4 subjects. How many marks must she score for Biology to achieve the target?
3 m

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The table shows the marks Tammy scored for 4 subjects. Her target was to achieve an average of 83 marks for the 4 subjects. How many marks must she score for Biology to achieve the target?