Iwill award !
how many numbers are written from n to k, including n and k?
how many natural numbers are there from 50 to 100? from 0 to 20?

43lbs of tomatos cost $387. how much would 41lbs cost

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

Line segment eg is partitioned by point f in the ratio 1: 1. point e is at e (0, 4), and point f is at (1, 3). what are the coordinates of point g? (−1, 5) (2, 2) (3, 1) (4, 0)