Question

A tube containing 3 ounces of toothpaste is being used at a rate of 0.15 ounces per day. How much toothpaste will be
in the tube after one week?

Answer 1

One Week = 7 days

$\begin{gathered}0.15*7=1.05 \\ \\ 3-1.05=1.95\end{gathered}$

1.95 ounces will be left in the tube.