ashlynm12
18.03.2021 •
Mathematics
HELPHELPEP ITS ON SCIENCE AND IS DUE IN 30 MINS AND I HAVE NO CLUE WHAT TO DOOO
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Ответ:
sorry for bad handwriting
Ответ:
then, X+Y=9
or,X=9-Y
Also,4.5 X+7 Y=50.5
or, 4.5 (9-Y) +7 Y=50.5
or, Y =4(i)
so, X= 9-4
= 5(ii)
hence, she bought 5 nail polish and 4 lip gloss