A student scores 70, 80, and 90 in three subjects. If he wants to achieve an ave
Practice Questions
Q1
A student scores 70, 80, and 90 in three subjects. If he wants to achieve an average of 85 after the fourth subject, what score does he need in the fourth subject?
85
90
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Questions & Step-by-Step Solutions
A student scores 70, 80, and 90 in three subjects. If he wants to achieve an average of 85 after the fourth subject, what score does he need in the fourth subject?
