ls030504 ls030504

23-11-2016
Mathematics

contestada

solve for h and c to find what h and c equals; 34.50=4h+7c and 30.50=8h+3c

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boscokwan boscokwan

23-11-2016

34.5=4h+7c
(34.5-7c)/4=h
Put h= (34.5-7c)/4 into another equation
30.5=8h+3c
30.5=2(34.5-7c)+3c
30.5=69-14c+3c
11c=38.5
c=38.5/11
Put c=38.5/11 into one of the equations
to calculate the h.

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