Question 146667
e+c+p=21.5


21e+19.5c+24p=469.5


p=c+2


substituting __ e+c+(c+2)=21.5 __ e=19.5-2c


substituting __ 21(19.5-2c)+19.5c+24(c+2)=469.5 __ (21*19.5)-42c+19.5c+24c+48=469.5 __ 1.5c=12 __ c=8


substituting __ p=(8)+2 __ p=10


substituting __ e+(8)+(10)=21.5 __ e=3.5