SOLUTION: Over the past several months, the water level of a lake has been decreasing by 2% each week. If the highest water level before the decrease started was 618 ft, what was the level a
Algebra.Com
Question 883223: Over the past several months, the water level of a lake has been decreasing by 2% each week. If the highest water level before the decrease started was 618 ft, what was the level at the end of 6 weeks?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Over the past several months, the water level of a lake has been decreasing by 2% each week. If the highest water level before the decrease started was 618 ft, what was the level at the end of 6 weeks?
--------------
A loss of 2% leaves 98% = 0.98*the previous week.
----
618*0.98^6
=~ 547.45 feet
RELATED QUESTIONS
A reservoir containing 1 million gallons of water has been tainted with arsenic.... (answered by richwmiller)
The manager of a hotel room report that the mean number of rooms rented out per night is (answered by Theo)
a cubic based tank has edges 5m long. if 500000 litres of water is poured into the... (answered by addingup,ikleyn)
a large water tank has the shape of cube.if 128cubic meter of water pumped out ,the water (answered by josgarithmetic)
Please help me with this problem, I have posted it 3 times.
The water level of a... (answered by ankor@dixie-net.com)
The water depth of falcon lake is decreasing at a rate of 2 inches per day. How much does (answered by fractalier)
A cylindrical tank of diameter 35 cm is full of water. If 11 litres of water is drawn... (answered by Cromlix)
hi! i need help on this problem.
The water level of a 15 cm x 12 cm based container is (answered by Alan3354)
Each week, the amount of water in an aquarium decreases by 14% due to evaporation. At the (answered by ankor@dixie-net.com)