Question

Amy worked for 4 hours and made $50. After 6 hours she made $75, and $125 after 10 hours.

Answer 1

4 hours = 50$
6 hours = 75$
10 hours = 125$

50 + 75 + 125 = 250?

I'm not sure if I understood your question, because you didn't say like "What is all of these times together?"