Answer :
One Week = 7 days
[tex]0.15*7=1.05 \\ \\ 3-1.05=1.95[/tex]
1.95 ounces will be left in the tube.
[tex]0.15*7=1.05 \\ \\ 3-1.05=1.95[/tex]
1.95 ounces will be left in the tube.