Mathematics, 20.02.2021 01:10, rodriguez1980
a girl took nine test in different subjects and had average of 60%. if in her tenth test she obtained 85%, find her new average
Answers: 3
Mathematics, 22.06.2019 00:00, karinagonzale80
If 7x=9y, y/z = 7/5 , then x/z = (a) 2/7 (b) 7/9 (c) 9/5 (d) 9/7 (e) 5/9
Answers: 1
a girl took nine test in different subjects and had average of 60%. if in her tenth test she obtaine...
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