Three numbers. The greatest number is twice the least number. The middle number is three more than the least number. The sum of the three numbers is 75. Find th

Question

I have to use the 5-D Process

Answer 1

x= the least number 

The greatest number is twice the least number:  2x = greatest number.

The middle number is three more than the least number: (x+3) = middle number 

Sum of three numbers is 75: (x) + (2x)+ (x+3) =75

 

(least number) + ( greatest number) + (middle number) =75

x + (2x) + (x+3) =75

4x= 72

x= 18

Substitute x into each of the given numbers. 

 

The three numbers are 18, 21, and 36.