It would end up being 4/5 if you brought it to the lowest tern.
Answer:
Jamal :
have = $18
need = $46-$18
= $28
saves = $5 each week
= $5 × 5 weeks
= $25 ( not enough )
Samuel :
have = $10
need = $46 - $10
= $36
saves = $7 each week
= $7 × 5 weeks
= $35 ( not enough )
thus, both boys would not have enough money to pay for the trip .
Its either centimeters or inches.
I prefer centimeters
If you mean 3 more terms in the sequence they could be
64, 32, 16, 8 ...
If you mean any 3 terms then 4096 1024 and 256 qualify.