Question

17

3. Kenny can type 75 words in 3 minutes. What is the constant of
proportionality that relates the number of words, y, to the number of
minutes, x?

Answer 1

• 25

Explanation:

Let this relationship be:

• y = kx, where y is the number of words in x minutes.

Use the given numbers to find the value of k:

• 75 = 3k
• k = 75/3
• k = 25