I need help with this question, Containing 320 gallons of water is leaking half of its water every hour. How much is water left after 4 hours? Help

After 4 hours the container left with 20 gallons of water.

Step-by-step explanation:

The container has 320 gallons of water initially.

It leaks half of its water every hour.

So, after 1 hour the container has = 160 gallons

After 2 hours the container has =80 gallons

After 3 hours the container has = 40 gallons

After 4 hours the container has =20 gallons.

So, after 4 hours the container left with 20 gallons of water.

i do not know this sorry : (

may i see the picture? it would a lot, xox