21
QuizMultiple Choice

Input-Output Relationships — Test

Question 21 • Mathematics 8

The given table shows the predicted number of words Janae can type, y, in x minutes. Time ( x , in minutes) Words Typed ( y ) 5 150 10 300 15 450 20 600 Which describes the pattern in the table?

Answer
A
Janae types 145 words each minute.
B
Janae types 150 words each minute.
C
Janae types 30 words each minute.
D
Janae types 25 words each minute.

Explanation

Divide the number of words by the time: 150 ÷ 5 = 30 words per minute. The other rows confirm the same rate, such as 300 ÷ 10 = 30, so the correct choice is Janae types 30 words each minute.

AI-written and checked against the verified answer.

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