Answer:
$62.7
solution,
She starts to work at 7:45 am
She stops the work at 12:30 for lunch.
Before launch, she works 4:15 hours.
And after lunch ,she works 4 hours
Now,
total she works 8 hours 15 minutes.
For each hour,she earn 7.60

=$ 60.8
For another 15 min,she earns $ 1.9
So,
Total earning=60.8+1.9
=$ 62.7
Hope this helps...
Good luck on your assignment...