gorge has 30 more than dan. if peter has 3 times the amount that gorge has...

Question

Hello everyone i need some help to solve this problem i'm stuck and i can't go further, your help will be very appreciated thank you in advance. so this is the problem:

Gorge has 30  more than dan. if peter has 3 times the amount that gorge has. find the amount that dan has, if peter has as much as gorge and dan.

Answer 1

J=dan+30

Peter=3*J=J+dan

This dont make nonsens...subtrakt j from both sides & yu get

2j=dan, or j=dan/2....kontradikt first statement that j=dan+30