Landon has to mocks from the backyard to the front yard.Using a wheelbarrow,he can move 45 pounds at 1 time.HOw many trips will it take him to move the rocks?

12?

What is the total weight of the rocks?

Here's a redo.

Landon has to move 540 pounds of rocks from the backyard to the front yard.Using a wheelbarrow,he can move 45 pounds at 1 time. How many trips will it take him to move the rocks?

Yes. He'll make 12 trips.

To determine the number of trips Landon will need to take, we need to divide the total weight of the rocks by the weight he can move in one trip.

Let's assume the weight of the rocks is 12 (which you mentioned in your question).

Divide the total weight of the rocks by the weight Landon can move in one trip:

12 pounds / 45 pounds = 0.2667

Since we cannot have a fraction of a trip, we need to round up to the nearest whole number. In this case, Landon will need to take 1 trip to move the rocks.