Okay, first we need to know what 7% of
£6500
To get that we must multiply £6500 by .07
£6500 × .07 = 455
£455 pounds is how much you must take away from £6500 to get how much Andy will pay over the course of 12 months
£6500 - £455 = £6045
To see how much he pays a month for 12 months, divide

= £503.75
That's your final answer!