Kevin bought 2 pairs of jeans that were originally $40 per pair but were each marked down by $15 and 3 t-shirts for $12 each. he also used a coupon for $10 off his entire purchase. which keys could be entered into the calculator to determine the total amount he spent? 2 * 40 – 15 + 3 * 12 – 10 2 * 25 + 3 * 2 2 * 25 + 3 * 12 – 10 2 * 40 – 12 * 12 – 10