SOLUTION:
Step 1:
In this question, we are given the following:
Last week the water level of the dam was m meters.
This week the water level of the dam decreased by 34%.
Which one of the following expressions show the difference between the water levels, in meters, of the dam last week and this week?
Step 2:
The details of the solution are as follows:
Assuming, that last week the water level of the dam was m meters.
This week, the water level of the dam decreased by 34%; this means:
Then, the difference between the water levels, in meters, of the dam last week and this week is given by:
CONCLUSION:
The final answer is: