Almost 9 over 16 of the total water supplied to a household is used for taking showers. use long division to determine the decimal equivalent of 9 over 16. use words to explain if the decimal terminates or repeats.

We are asked to determine the decimal equivalent of 9/16.
9/16 = 0.5625.
Using long division method, the steps are as follows:
16 divided by 9 is impossible, so we will write 0 and put decimal point in front of it in the answer bar.
Add zero to 9 to become 90. 16 divided by 90 will give 5 remainder 10. Write 5 in front of the decimal point in the answer bar.
Add zero to the remain 10 to obtain 100. 16 divided by 100 will give 6 remainder 4. Write 6 in the answer bar. 
Add zero the the remainder 4 to get 40. 16 divided by 40 will give 2 remainder 8. Write 2 in the answer bar.
 Add zero to the remainder 8 to obtain 80. 16 divided by 80 will give 5 without any number remaining. Write 5 in the answer bar.  By now, the figure in the answer bar should be 0.5625.
The decimal terminates because there is no remainder.