SOLUTION: a metal bar weighing 180 kg is divided into two parts, so that the radio of the weight of the lighter part to that heavier part is 4:5. find the weight of each part

Algebra ->  Expressions-with-variables -> SOLUTION: a metal bar weighing 180 kg is divided into two parts, so that the radio of the weight of the lighter part to that heavier part is 4:5. find the weight of each part       Log On


   

Question 1185486: a metal bar weighing 180 kg is divided into two parts, so that the radio of the weight of the lighter part to that heavier part is 4:5. find the weight of each part
Answer by ikleyn(52798) About Me  (Show Source):
You can put this solution on YOUR website!
.

The parts weights are  4x kg  and  5x kg;   in total 4x + 5x = 9x kilograms.

Hence,  from   9x = 180 kg,   you have   x = 20 kg;   so the parts are  80 kg  and  100 kg.

Solved.