One researcher wishes to estimate the mean number of hours that high school students spend watching tv on a weekday. a margin of
2 answers:
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Answer:
2) 2x = y + 13
Step-by-step explanation:
We have to translate the given information into an equation. We don't know what the numbers are yet, so let the first number be represented by the variable x and the second number be represented by the variable y.
Start by breaking the sentence apart. "2 times the first number" gives us . The "is" in the sentence means that
equals something, bringing us to
. Finally, it says "13 more than the second number." 13 more would mean you have to add to the second number, represented by y, so this gives us
. Put it all together and it is
.