How long will she take to what ?
Answer:
3X+5Y=68 MULTIPLY BY 4
3Y-4X=6 MULTIPLY BY 3 & ADD.
12X+20Y=272
-12X+9Y=18
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29Y=290
Y=290/29
Y=10 ANS.
Step-by-step explanation:
Answer:
Step-by-step explanation:
w = (197-50.75)/11.25 = 13
Answer:
1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1=1-1=0
Step-by-step explanation: