HELP ME PLEASE FIRST PERSON TO GET IN RIGHT GETS BRAINLIEST. Create and solve a multiplication problem to show that the product of a whole number and a fraction will be equal to the whole number.

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?