Tod does not have any cookies. David gives Jeff 8 cookies. Then he splits half of the cookies he has left with Tod. David let’s
2 answers:
Let the number of cookies David has = c
Number of cookies given to Jeff = 8
So cookies left with David = c-8
David splits the cookies in half with Tod. So cookies left with David are =
Same number of cookies are with Tod =
He finds the number of cookies that Tod has is 1/2 the difference of C and 8. Write an expression to represent the number of cookies that Tod has.
Hence, number of cookies with Tod are=
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ANSWER
D. 4 minutes 40 seconds
EXPLANATION
The given data set showing the number of seconds of each song the playlist is:
283,204,198,229,173,230,168,236,215,204
Let the length of the 11th song be x.
Because he wants the mean to be 3 minutes 40 seconds, which is equal to 220 seconds, we write and solve the following equation for x.
We convert 280 seconds to minutes.
The correct choice is D