Answer:
X=8
Step-by-step explanation:
If you divide 5 by 2 you get 2.5. To figure out X, all you have to do is divide 20 by 2.5 as well, which gets 8. Since they are similar, this can work.
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printer 404 computer 808
let the price of computer be c and printer be p
c+p=1212
c=2p
2p+p=1212
3p=1212
p=1212/3 =404
c=2p=2x404=808
