Asked by KATIE

if a student has an average of 8 after 20 tests and then gets a 0 on his 21st test, what would his new average be?
Answered by Ms. Sue
8 * 20 = 160

160/21 = ?

Answered by helper
x = total score of tests

x/20 = 8
x = 160

160/21 = 7.62 new average
Answered by KATIE
thank you.
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