How do I expand this?    3(2y-5)

Given the expression                   ......[1]

Distributive property of multiplication states that when a number is multiplied by the sum of two numbers, then the  first number can be distributed to both of those numbers and multiplied by each of them separately. i.e,

then, by using distributive property in equation [1]

                  =

Therefore, the expanded form of 3(2y-5) is; 6y-15

its 0.1 miles per minute