Question

Question 7 of 8

Which variable is most important to the following problem?
Ralph and Patrick play on a basketball team. Ralph played the whole first
quarter and the first 4 minutes of the second quarter. Patrick played the rest
of the second quarter and all of the third quarter. Ralph played the whole
fourth quarter. Each quarter is 10 minutes long. How long did Patrick play?
O A. the number of minutes Patrick played
B. the number of substitutions between Patrick and Ralph
C. the number of players on the team
OD. the length of a quarter

Answer 1

D. the length of the quarter

Explanation:

Given Patrick started playing 4 minutes into the 2nd quarter, and played until the end of the 3rd quarter, you want to know how long Patrick played.

Quarter

If q is the length of a quarter, Patrick's playing time is ...

2q -4 . . . . minutes

In order to give this a numerical value, we need to know the value of q.

The most important variable to the problem is ...

D. the length of a quarter.

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