Question

compune o problema cu marimi direct proportionale


compune o problema cu marimi direct proportionale
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Answer 1

ex:
a, b, c  direct proportional  cu  2, 4 , 6   si a+b+c =48

a/2=b/4 =c/6
a/2+b/4+c/6 = a+b+c /2+4+6 = 48/12 = 4
a/2 =4  =>  a =2*4 =8
b/4 =4         b =4*4 =16
c/6 =4         c =4*6 =24
a+b+c =8+16+24 =48