Rosa can till 375 ft² of land in 15 min.
2 answers:
Answer: The correct option is (B) 25 ft²/min.
Step-by-step explanation: Given that Rosa can till 375 ft² of land in 15 min.
We are to find Rosa's tilling rate.
We will be using the UNITARY method to solve the given problem.
We have
In 15 min, the area of the land tilled by Rosa = 375 ft².
Therefore, in 1 min, the area of the land tilled by Rosa will be
That is, Rosa can till 25 ft² of land in 1 min.
Therefore, Rosa's tilling rate is 25 ft²/min.
Thus, (B) is the correct option.
You might be interested in
When solving these proportions we just remember when moving a number from one side to the other if it started in the numerator it ends up in the denominator and vice versa.
I'll do it in two steps here for teaching purposes; it's not too hard to go directly to the answer.