Question 697595
D=RT OR TR=D
1/3X+1.5Y=46 MULTIPLY BY -2 & ADD
2/3X+1.17Y=37
-2/3X-3Y=-92
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1.83Y=-55
Y=-55/-1.83
Y=30 MILES DRIVING.
1/3X+1.5*30=46
X/3+45=46
X/3=46-45
X/3=1
X=3 
1/3*3=1 MILE WALKING.
PROOF:
2*1/3+1.17*30=37
2*3/3+35=37
6/3+35=37
2+35=37
37=37