Answer:
At The given rate, the area of floor that Jessica can wax is 33.3 m²
Step-by-step explanation:
Given as :
The area of floor waxed = 20 square meters
The time taken to waxed 20 square meters floor = hours
Let The area of floor waxed per hour = A m²
<u>Now, Applying unitary method</u>
∵ In hours, The area of floor waxed = 20 m²
∴ In 1 hour , The area of floor waxed = m²
I.e In 1 hour , The area of floor waxed = m²
Or, In 1 hour , The area of floor waxed = = 33.3 m²
Or, In 1 hour The area of floor waxed = A = 33.3 m²
Hence, At The given rate, the area of floor that Jessica can wax is 33.3 m² Answer