Question

•Three wo sum is 7,200 if the 1 st number is double the 2nd Number and 3rd number is Triple the first number Find the 3rd number ​

Answer 1

Answer:

Step-by-step explanation:

let 2nd number be X

1st number = double the 2nd= 2X

3rd number = triple the 1st=3*2X=6X

their sum= 7200

2X+X+6X=7200

9X=7200

X=7200/9

X=800

1st number=2X=2*800=1600

2nd=X=800

3rd=6X=6*800=4800