Alexandra is trying to drink more water, so she has been keeping a log of how much water she drinks. Yesterday, Alexandra drank 12 ounces of water. That is 25% less than she drank two days ago. How much water did Alexandra drink two days ago?____ ounces
Q. Alexandra is trying to drink more water, so she has been keeping a log of how much water she drinks. Yesterday, Alexandra drank 12 ounces of water. That is 25% less than she drank two days ago. How much water did Alexandra drink two days ago?____ ounces
Define water intake: Define the amount of water Alexandra drank two days ago as x ounces.Reasoning: We know yesterday's intake was 25% less than two days ago.Calculation: x−25%(x)=12 ounces.
Simplify equation: Simplify the equation to find x.Reasoning: Convert 25% to a decimal for calculation.Calculation: x−0.25x=12.
Combine terms and solve: Combine like terms and solve for x.Reasoning: Simplify the left side of the equation.Calculation: 0.75x=12.
Divide to isolate x: Divide both sides by 0.75 to isolate x. Reasoning: To find the original amount Alexandra drank. Calculation: x=0.7512.
Calculate total ounces: Calculate x. Reasoning: Perform the division to find the total ounces. Calculation: x=16.
More problems from Percent of change: find the original amount word problems