Answer:
The rate of the dump truck is 650

Step-by-step explanation:
A large dump truck can move 1,170 tons/h of gravel from one point to another on a work site.
To convert the units from tons/h to lb/s, you should know that:
- 1 ton= 2000 lb
- 1 h= 3600 s (1 h= 60 minutes and 1 minute= 60 seconds)
To carry out the unit conversion you must perform the following steps:

Solving:

So, the rate of the dump truck is 650
