What is the answer to his question
![What is the answer to his question class=](https://us-static.z-dn.net/files/d84/64183bf1f16134db0208dcec70a057b5.png)
Answer:
A. 720 per hour
Step-by-step explanation:
1200+ 720 + 720 + 360 =3000
hr 1↑+ hr 2↑ + ↑30 min