noor261259
noor261259 noor261259
  • 24-06-2021
  • Mathematics
contestada

how can i solve it
which method or way should I use
............. ..​

how can i solve it which method or way should I use class=

Respuesta :

763396
763396 763396
  • 24-06-2021
Aliaa got a mark of 60 in her first 4 tests, so her total mark is 60 x 4 = 240. On her fifth test, she got a mark of 80.
So her average is:
(240+80)/5 = 320/5 = 64
Her avg is 64 (c).
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