littlem0114 littlem0114

20-12-2016
Mathematics

Answered

solve for x and y

1.45 x + 1.55y = 20 and x + y = 29.80

Verified Answer :

Aliwohaish12 Aliwohaish12

20-12-2016

x+y=29.8
Y=29.8-x so
1.45x+1.55(29.8-x)=20 then solve for x
1.45x+46.19-1.55x=20
-0.1x=20-46.19
-0.1x=−26.19
X=26.19/0.1
X=261.9
Y=29.8-261.9
Y=−232

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