Answer:
printer 404 computer 808
Step-by-step explanation:
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
66
2
8+6+4+2+1 =21
Total 21 dots/observations
Centre at 11th dot which corresponds to 2
