Final answer:
The baker uses 1/16 square feet.
Step-by-step explanation:
To find the area used by the baker, we need to first calculate the area of each roll and then multiply it by the total number of rolls.
The baker uses 3/4 teaspoon of yeast in 1/3 cup of water for each roll. We can convert this to a common unit by multiplying the numerator and denominator by the same number.
This gives us 9/12 teaspoon of yeast in 4/12 cup of water for each roll.
Next, we need to find the area of one roll. If the baker fits 26 rolls onto a pan that measures 1 5/8 square feet, we divide the area of the pan by the number of rolls:
1 5/8 / 26 = (13/8) / 26 = 13/208 square feet per roll.
Finally, to find the total square footage used by the baker, we multiply the area per roll by the total number of rolls:
13/208 * 26 = 1/16 square feet.