Kelly spent 45% of her salary on food and saved 2/5 of the remainder what percentage of her salary was left
45% spent, so 55% left
she saved 2/5 of that, so 3/5 of 55% was left.
55/100 * 2/5 = 22%
she saved 2/5 of that, so 3/5 of 55% was left.
55/100 * 2/5 = 22%