"Dia menemukan sejumlah uang di tas ini."

Translation: She found an amount of money in this bag.

[Peter246329]

Some money?

[Rick392366]

Yes, that's also possible.

"jumlah" = total.
"sejumlah" = a total of, a quantity of, etc....

[dkfour]

Not just possible, but much better sounding in English, and very likely preferred.