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Question 5
Mr. Brown is going to start sleeping an extra 30 minutes each night.
itd
represents the number of days, which of the following expressions shows how many more hours of sleep Mr. Brown will get in a week?
A zd, where d is 1
B
1 / 2d, whered is 7
с
30d, where d is 1
D
30d, where d is 7