Answer:
Therefore, the new time is 60, 40, 50, 90, 20, 0, 120.
Step-by-step explanation:
We knaow that Dennis has decided to double the amount of time he spends studying each night. If the data set that represents the number of minutes he had Previously spent studying each night is 30, 20, 25, 45, 10, 0, 60, we get
[tex]30+30=60\\20+20=40\\25+25=50\\45+45=90\\10+10=20\\0+0=0\\60+60=120[/tex]
Therefore, the new time is 60, 40, 50, 90, 20, 0, 120.
