the range of a set of numbers is 13.25

the smallest number is -3.875
workout the largest number

-3.875 + 13.250 = 9.375

To find the largest number in a set, you can use the formula:

Largest number = Smallest number + Range

In this case, the smallest number is -3.875 and the range is 13.25. Substitute these values into the formula:

Largest number = -3.875 + 13.25

Adding -3.875 to 13.25, we get:

Largest number = 9.375

Therefore, the largest number in the set is 9.375.