Lalagrl
Lalagrl
25-05-2020
Mathematics
contestada
PLEASE HELPPPPP!!!!!!!!!
Respuesta :
jimzhu
jimzhu
25-05-2020
2/3
Step-by-step explanation:
10a + 10b = 30
9x - 9y = 45
(10a+10b)/(9x-9y)
=30/45
=6/9
=2/3
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