Is distance always positive? provide examples

No it is not always positive

Step-by-step explanation:

Sometimes you may want to out to the market and then half way there you left your wallet so you have to go back. That why it's called "back"

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300