Hector has 10 cups of flour which equation shows how to determine the number of 2/5 of a cup serving where there are in the 10 cups of flour A. 10 divide by 2/5 equals 25

B. 10x 2/5 equals 4

C. 2/5 divide by 10 equals 1/25

D. 5/2 divide by 10 equals 1/4

HELP

Fred and gene are hang gliding. fred is 700 feet above the ground and descending at 15 ft/s. gene is decending as shown in the table. interpret the rates of change and initial values of the linear functions in terms of the situations they model. show all work. freds equation is f(x)=-15x+700. ( genes is the table attached)