Need asap..giving 15 points to who answers. if you copy and not answer you will get reported the original price for a clothes washer and dryer is $999. which coupon is a better deal? a) save 20% on any washer/dryer combo b) save $200 on any washer/dryer combo c) save $75 plus 5% off on any washer/dryer combo d) save $50 plus 20% off on any washer/dryer combo

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling