Question

A pipe is leaking at 1.5 cups per day. About how gallons per week is the pipe leaking?

Answer 1

$1p.......1.5c.........1d \\ 1p........x............7d \\ \\ x=\frac{1.5*7}{1} \\ \\ \boxed{x=10.5 \ cups}$

Answer 2

$\boxed{1,5\times7=\boxed{10,5}}$