Wheel widths for 15" tyres

Hi Ladies and Gents,

Picked up some 15" tyres last night and just wanting to figure out what wheel widths I should run?
The fronts are 6.7" wide and the rears are 9.15" wide.
would a 15x5 up front and a 15x7 be good for this?

Here's where she's at, very early stanges.