40. the median of the following data is 525. find the values of x and y if the sum of the frequencies
is 100.
c. i. frequency
0-100. 2
100-200. 5
200-300. x
300-400. 12
400-500. 17
500-600. 20
600-700. y
700-800. 9
800-900. 7
900-1000. 4

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

Ingredient c: 1/4 cup for 2/3 serving or ingredient d: 1/3 cup for 3/4 serving which unit rate is smaller

Divide. –40 ÷ –5 a –8 b 200 c -200 d 8