Question 295109
a+c=7  c=7-a
9.5a+6.5c=54.5
9.5a+6.5(7-a)=54.5
9.5a+45.5-6.5a=54.5
3a=9
a=3
c=7-3
c=4
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3*9.5+4*6.5=54.5
28.5+26=54.5