Question

Robs number is equal to twice bobs number, cobs number is eight times larger than two less than bobs number, the sum of robs number and cobs number is 22, what are each of their numbers?

Answer 1

B=B
R=2B
C=8(B-2)=8B-16
R+C=22
(2B)+(8B-16)=22
B=3.8
R=7.6
C=14.4