Final answer:
The original amount that Sue pays for bottled water is $1.25.
Step-by-step explanation:
To find the original amount that Sue pays for bottled water, we need to determine the cost price before the 60% markup. Let's denote the original amount as x.
Given that the market sells the water for $2, and the markup is 60%, we can set up the equation:
x + 60% of x = $2
This equation translates to:
x + (0.6x) = $2
Combining like terms:
1.6x = $2
Dividing both sides by 1.6:
x = $2 / 1.6
Performing the calculation:
x = $1.25
So, the original amount that Sue pays for the bottled water is $1.25.