Question

as an expression. It takes b minutes for Sylvia's bathtub to fill with water.
How many minutes will it take to fill 3
same-size bathtubs?

Answer 1

Step-by-step explanation:

Applying unitary method,

Time taken to fill 1 bathtub = b minutes,

Time taken to fill 3 bathtubs = 3× b minutes = 3b minutes

Answer 2

Step-by-step explanation:

time taken to fill one bathtube= b minutes

therefore, time taken by 3 bathtube= 3×b minutes