Question

decide whether the rates are equivalent. show all work(hint: find the unit rates to help you!)4. 220 words in 5.5 minutes, 561 words in 12.75 minutes yes or no(x) independent: _____________(y) dependent: _____________

Explanation:

Step1: Calculate first unit rate

$\frac{220}{5.5} = 40$ words per minute

Step2: Calculate second unit rate

$\frac{561}{12.75} = 44$ words per minute

Step3: Compare unit rates

$40
eq 44$, so rates are not equivalent

Step4: Identify independent variable

The independent variable is the time in minutes, as it is the input that affects the number of words.

Step5: Identify dependent variable

The dependent variable is the number of words, as it depends on the amount of time spent writing.

Answer:

NO
(x) Independent: Time (minutes)
(y) Dependent: Number of words