Whatever% of anything is just (whatever/100) * anything.
since we know inflation is 3.7%, what is 3.7% of 1.69?
well is just (3.7/100) * 1.69.
that's how much the quart of oil costs more now. So simply add that to 1.69.
Nigel needs 5 bags in order to put each five slices in their own bag.
-7x^2 - 6x^2 + 3x + 5x - 5 + 2
-13x^2 + 8x - 3