Answer:
![\displaystyle 8400\:lbs.](https://img.qammunity.org/2023/formulas/mathematics/high-school/y34modoaciuzqm4td1nho3k00fyge7e0un.png)
Explanation:
On United States Imperial [Customary] System, there is one ton in two thousand pounds. So, because we are going from a bigger unit of measurement to a smaller unit of measurement, we multiply the quantity of tons by two thousand:
![\displaystyle \boxed{8400} = 2000[4(1)/(5)]](https://img.qammunity.org/2023/formulas/mathematics/high-school/mrlfapq6f35pom7ktz1kjvu05ndmb7c1zt.png)
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