Jim and lisa had a total of $300. after jim boughy a jacket with 2/3 if her money, she had $90 less than lisa. find the cost of the jacket.

$84

Firstly, what we must do, is establish a system of equations:

Due the circumstances, it is decided we will use the method of substitution:

          ↓

Now, we solve the 2-variable equation above:

Now, we must see how much money each one of them had & the price of the jacket:

Now we know that Jim had $126. In other words, $126 is of his money (total money).

So, if Jim has $126, which corresponds to of his money, of his money is:

Hope it helped,

BiologiaMagister

d i think

step-by-step explanation: