HOW MANY PAIRS OF JEANS DOES SHE HAVE? Based on the merits, here it is
ASSUMING SHE HAS 5O PAIRS OF JEANS
[tex] j \: = jewels\\ 50(j) \leqslant 500 \\ 10 \: jewels \: on \: eavh \: pair[/tex]
ASSUMING WE DON'T KNOW HOW MANY PAIRS OF JEANS SHE HAS
[tex] j \: = jewels \\ p = pairs \: ofjeans\\ (p) \times (j) \leqslant 500 \\ (j )\: \: jewels \: on \: eavh \: pair \: of \: her \: (p) \: total \: jeans[/tex]