Asked by Sidney

Wanda wants to have a test average of 90 her four science tests. On the first three tests, she got scores of 84, 96, and 85. What does she need on her last test to reach her goal?
Answered by Ms. Sue
84 + 96 + 85 = 265

400 * 0.9 = 360

360 - 265 = ?

Answered by Steve
84+96+85 + x = 4*90
Answered by Anonymous
95
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