Answer:
Lillian worked 7h and Jacob worked 6h
Step-by-step explanation:
the number of hours Lillian worked are x (h)
the number of hours Jacob worked are y (h)
(0 < x,y < 13)
=> Lilian ironed: 25x (shirts)
Jacob ỉroned: 20y (shirts)
because Lillian and Jacob worked a combined 13 hours and ironed 295 shirts, we have:

so Lillian worked 7h and Jacob worked 6h
Let that be x
ATQ

Arrange accordingly to work backwards(Every thing is reversed)




.
The real estate agent has a commission rate of 33.3%
if youy divide 240000 by 7200 then you would get 33.33333333
which would mean she has a (1/3) commission rate. hope this helps you out!
Maybe 88 not sure that is the givin
She used the associative property which should only be used with positive numbers (sorry if it isn't the answer you're looking for)