The answer is C:
250+6d + 4(2d)
250 is initial amount
6d is the amount of money after 6 weeks
4(2d) is the amount of money doubled over 4 weeks.
There go C is the answer<span />
If they started at the south pole every direction is north. Traversing the lattitudes (traveling 20 miles west) doesn't get you any farther from the pole.
So they photographed south pole stuff, mostly snow.
The total change is position is that they loss 9 yards
$1100 - $160 = $940
$940 ÷ 8 ≤ $117.50
Greatest amount to the nearest dollar = $117
Answer: $117
