A student received grades of 72, 75, and 78 on three tests. What must her score in the next test be for her to have an average grade of 80 for all four tests? A. 95 C. 88 B. 90 D. 98 Solution Click here to… Jhun Vert Fri, 06/07/2024 - 18:31 Solution Click here to expand or collapse this section $\dfrac{72 + 75 + 78 + X}{4} = 80$ $X = 95$ Log in or register to post comments Log in or register to post comments
Solution Click here to… Jhun Vert Fri, 06/07/2024 - 18:31 Solution Click here to expand or collapse this section $\dfrac{72 + 75 + 78 + X}{4} = 80$ $X = 95$ Log in or register to post comments
Solution Click here to…