Answer:
$50400
Step-by-step explanation:
2/5 of 240000 is 96000.
So the remaining money is 240,000-96000, which is 144000.
If 13/20 is used in the first ten days, that leaves 7/20 to be used in the next 10 days.
7/20 of 144000 is 50400.
There's the answer!